Mental skills MCQs
Showing 50 questions (Total: 225)
ইদানীং আপনার মনে হচ্ছে সংসার আপনার গুরুত্ব হ্রাস পাচ্ছে। আপনি এমন অবস্থায় ----
Correct Answer:
গ: সংসারের প্রতি গভীর মনোযোগ দেবেন
Explanation:
ইদানীং আপনার মনে হচ্ছে সংসার আপনার গুরুত্ব হ্রাস পাচ্ছে। আপনি এমন অবস্থায় ---- সঠিক উত্তর সংসারের প্রতি গভীর মনোযোগ দেবেন পারিবারিক সমস্যা একান্তই পারিবারিক। হতাশা, দুঃখ ,ক্ষোভ বা বন্ধুদের সাথে আলোচনা করে এর সমাধান সম্ভব নয়। তাই এই সমস্যার সমাধানের জন্য সংসারের প্রতি গভীর মনোযোগী হওয়াই বাঞ্জনীয়।
তোমার সামনে চারটি দরজা আছে, কোন দরজা দিয়ে তুমি নিরাপদে বের হবে?
Correct Answer:
গ: এক দররজায় তিন মাসের একটি ক্ষুধার্ত বাঘ আছে
Explanation:
তোমার সামনে চারটি দরজা আছে, কোন দরজা দিয়ে তুমি নিরাপদে বের হবে? সঠিক উত্তর এক দররজায় তিন মাসের একটি ক্ষুধার্ত বাঘ আছে তিন মাস ধরে একটি বাঘ ক্ষুধার্ত থাকলে সে এতটাই শক্তিহীন হওয়ার কথা যে সে চলতে পারবেনা। অর্থাৎ উঠে দাঁড়ানো পর্যন্ত ক্ষমতা থাকার কথা নয় । সে ক্ষেত্রে ঐ বাঘের সম্মুখ দিয়ে কোনো প্রাণী হাটা - চলা করলে ও সে নিরাপদ । সুতরাং এ ক্ষেত্রে আমি বাঘের দরজাটাই ব্যবহার করব। অন্য তিনটি দরজার বিপদ এরিয়ে যেতে পারার সম্ভবনা খুবই কম।
Quantity A = Time to travel 95 miles at 50 miles per hour ; and Quantity B = Time to travel 125 miles at 60 miles per hour .
Correct Answer:
C: Quantity B is greater
Explanation:
Quantity A = Time to travel 95 miles at 50 miles per hour ; and Quantity B = Time to travel 125 miles at 60 miles per hour . Correct Answer Quantity B is greater A = 95/50 = 19/10 = 1 9/10 and, B = 125/60 = 2 5/60
A predator is chasing its prey. The predator takes 4 leaps for every 6 leaps of the prey and the predator covers as much distance in 2 leaps as 3 leaps of the prey. Will the predator succeed in getting its food ?
Correct Answer:
A: Yes
Explanation:
A predator is chasing its prey. The predator takes 4 leaps for every 6 leaps of the prey and the predator covers as much distance in 2 leaps as 3 leaps of the prey. Will the predator succeed in getting its food ? Correct Answer Yes If predator takes 2 leaps and prey takes 3 leaps to cover the same distance, then multiplying the distance by 2 you get predator 4 leaps and prey 6 leaps. With this ratio, they are covering the same distance with their respective leaps.Therefore, they will always be the same distance away from each other unless either changes its speed. so, ans: can't be determined.
A doctor asked his patient , "Do you high blood sugar ?" The patient replied, 'I never went to a hospital'. Conclusion from the Conversation is:
Correct Answer:
D: The patient did not answer the question directly
The argument in the passage would be most seriously weakened if it were true that
Correct Answer:
B: Domestic production of illegal drugs increased considerably in 2007
Explanation:
The argument in the passage would be most seriously weakened if it were true that Correct Answer Domestic production of illegal drugs increased considerably in 2007 -
Kamal is shorter than Ruhan, but taller than Anika, Dina is shorter than Kamal . Rubayet is shorter than Ruhan but taller than Kamal . Who is tallest in terms of height ?
Correct Answer:
B: Ruhan
Explanation:
Kamal is shorter than Ruhan, but taller than Anika, Dina is shorter than Kamal . Rubayet is shorter than Ruhan but taller than Kamal . Who is tallest in terms of height ? Correct Answer Ruhan Kamal < Ruhan Kamal > Anika Kamal > Dina Rubayet < Ruhan Rubayet > Kamal or, Kamal < Rubayet Thus, Ruhan is the tallest.
Mary says, " the number I am thinking of divisible by 2 or it is divisible by 3." This statement is false if the number Mary is thinking of is :
Correct Answer:
D: 11
Explanation:
Mary says, " the number I am thinking of divisible by 2 or it is divisible by 3." This statement is false if the number Mary is thinking of is : Correct Answer 11 According to the question, the number Mary is thinking can't be divided by 2 or 3.If we look at the options, the only number that can't be divided by 2 or 3 is 11.So, The answer is 11.
The earth's resources are being depleted too fast. To correct this , Alpha country must keep its resource consumption at present levels for many years to come. Which of the following , if true , would most strengthen the argument above ?
Correct Answer:
C: Alpha country consumes one-third of all resources used in the world
Five persons are travelling in a train - A, B, C, D and E. A is the mother of C who brother of A and B is the husband of A. How is B related to E ?
Correct Answer:
A: Father in law
Explanation:
Five persons are travelling in a train - A, B, C, D and E. A is the mother of C who brother of A and B is the husband of A. How is B related to E ? Correct Answer Father in law চিন্তা করলে দেখা যায় B হচ্ছে E এর Fathr - in - law.
If the day before yesterday is two days after Monday then what day is it today?
Correct Answer:
D: Friday
If the first day of the month is a Friday, then the twelfth day of the month is a :
Correct Answer:
B: Tuesday
If the seventh day of month is three days earlier than Friday ,what day will it be on the nineteenth day of the month?
Correct Answer:
D: Sunday
প্রথম বীজলটের অঙ্কুরোদগম ক্ষমতা ৮৫% এবং বিশুদ্ধতা ৯৫% ; দ্বিতীয় বীজলটের অঙ্কুরোদগম ক্ষমতা ৯০% এবং বিশুদ্ধতা ৮০% । কোন বীজলটটি অপেক্ষাকৃত ভালো ?
Correct Answer:
ক: প্রথমটি
If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day?
Correct Answer:
C: R
Explanation:
If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day? Correct Answer R নিচের সাজানােটি লক্ষ্য করুন। 1 2 3 4 R →P S Q তৃতীয় দিনে S থাকায় দ্বিতীয় দিনে Q হতে পারে না, সেখানে P বসালে এর আগে R বসাতেই হবে।
In how many ways can a person use all the four heaters in a four -day period?
Correct Answer:
A: 4
Explanation:
In how many ways can a person use all the four heaters in a four -day period? Correct Answer 4 উপরের সাজানাের চারটি স্থান ডান থেকে বামে সরিয়ে সর্বমােট 4টি সাজানাের process খুঁজে পাওয়া যায়।
Day and night are equal at the ----
Correct Answer:
A: equator
Explanation:
Day and night are equal at the ---- Correct Answer equator ইকুয়েটর ( Equator) একটি নিরপেক্ষ রেখা। এই রেখা উত্তর মেরু কিংবা দক্ষিন মেরুকে সমান দুভাগে বিভক্ত করেছ। উত্তর কিংবা দক্ষিন মেরুতে বছরের বিভিন্ন সময় দিন রাত্রি তারতম্য হলে এর রেখাটি দুই মেরুর মধ্যস্থলে বা সমান দূরুত্বে অবস্থানের কারনে এ অঞ্চলে সর্বদাই দিনরাত্রি সমান থাকে।
A, Q, Y, Z are different persons. Z is the father of Q, A is the daughter of Y and Y is the son of Z, If P is the son of Y and B is the brother of p then how is related A to B?
Correct Answer:
A: sister
Explanation:
A, Q, Y, Z are different persons. Z is the father of Q, A is the daughter of Y and Y is the son of Z, If P is the son of Y and B is the brother of p then how is related A to B? Correct Answer sister প্রদত্ত Option গুলোর মধ্যে কেবলমাত্র option (d) তেই প্রদত্ত বাংলা বাক্যটির সঠিক অনুবাদ বা Translation. অন্য option গুলো অর্থাৎ option (a), option (b) এবং option (c) কোনো না কোনো ভাবে ক্রুটি পূর্ণ।
A man can do a job in 15 days. His father takes 20 days and his son finished it in 25 days. How long will they take to complete the job if they all work together?
Correct Answer:
D: Approximately 6.4 days
Explanation:
A man can do a job in 15 days. His father takes 20 days and his son finished it in 25 days. How long will they take to complete the job if they all work together? Correct Answer Approximately 6.4 days Together in 1 day they can do = ( 1/15 + 1/20 + 1/25) portion = 47/300 portion 47/300 portion is done in 1 day 1 full portion dine in 300/47 day = 6.38297873 = 6.4
Spot the odd one out amongst the following
Correct Answer:
A: Basic
Explanation:
Spot the odd one out amongst the following Correct Answer Basic Basic is a computer programming language. On the other hand, UNIX, Windows and DOS are operating system.
As yesterday is to the day after tomorrow, so Tuesday is to ---
Correct Answer:
D: Friday
Insert the missing number . 14 9 4 12 7 2 10 5 0 16 11 ?
Correct Answer:
B: 6
If points N and Y are just meeting at the point of contact between the dials and if dial spins at the same speed as dial 2, which of the following pairs of points will also meet in the course of the next full revolution of the dials?
Correct Answer:
C: O and X
Explanation:
If points N and Y are just meeting at the point of contact between the dials and if dial spins at the same speed as dial 2, which of the following pairs of points will also meet in the course of the next full revolution of the dials? Correct Answer O and X পরবর্তী র্ঘূণন পথে ধারবিাহিকভাবে যে pair গুলো মিলিত হবে তারা হলো – (i) P, Z (ii) O, X (iii) N,Y । সুতরাং Option অনুযায়ী সঠিক উত্তর (b).
If points P and X are just meeting at the point of contact between the dials , and if dial 2 spins at exactly double the speed of dial 1, which of the following pairs of contact ?
Correct Answer:
D: O and Z
Explanation:
If points P and X are just meeting at the point of contact between the dials , and if dial 2 spins at exactly double the speed of dial 1, which of the following pairs of contact ? Correct Answer O and Z যদি Dial – 2, Dial – 1 এর দ্বিগুণ স্পিডে ঘোরে তবে পরবর্তীতে Dial – 1 এর O বিন্দু contact point – এ আসবে । আর Dial – 2 - এর Z বিন্দু contact point - এ আসবে । অর্থাৎ Contact point - এর pair টি হবে O, Z । যদি Dial – 2, Dial – 1 এর ন্যায় একই স্পিডে ঘুরতে তবে O, Y pair - টি Contact point - এ আসত । সুতরাং Option অনুযায়ী সঠিক উত্তর (d).
If points P and Y are just meeting at the point of contact between the dials , and if dial 1 spins at exactly three time the speed of dial 2, which of the following pairs of points will be the next pair to meet at the point of contact?
Correct Answer:
D: P and Z
Explanation:
If points P and Y are just meeting at the point of contact between the dials , and if dial 1 spins at exactly three time the speed of dial 2, which of the following pairs of points will be the next pair to meet at the point of contact? Correct Answer P and Z ডায়াল - 1 যেহেতু ডায়াল - 2 এর তিনগুণ গতিতে ঘুরবে তাইContact point - এ ডায়াল - 2 এর 2 আসতে আসতে ডায়াল - 1এর P আবার সেখানে চলে আসবে । অর্থাৎ contact point - এ জোড়টি হবে P, Z । যদি উভয় ডায়াল সমান গতিতে ঘুরতো সেক্ষেত্রে pair - টি হতো O, Z । সুতরাং options এর সঠিক উত্তর (d).
Read the conversation between Mazhar Shamim and answer the question that follows :Mazhar : I reckon that Imran probably went to Sunday School. Shamim: Oh he must have done.He's an educated person! The hidden assumption behind Shamim's statement is that :
Correct Answer:
D: All people who are educated attended Sunday School
The green light only ever goes on when tank A is full and tank C isn't empty. The red light is always on unless either tank A isn't Full or tank B is empty. Given that the green light is on, we can conclude all of the following EXCEPT---
Correct Answer:
B: The red light must be on
In a race , Karim is first and Rahman is fifth while Manoj is between them. Joseph is doing better than Kamal; and Kamal is exactly behind Manoj . Who is in the second position ?
Correct Answer:
D: Joseph
What is the time complexity to count the number of elementts in the liked list?
Correct Answer:
B: O(n)
Explanation:
What is the time complexity to count the number of elementts in the liked list? Correct Answer O(n) Linked List হল একটি Linear Search algorithm যার Complexity হল O(n). সুতরাং O(n) অপশনটি সঠিক।
R is the brother of S and M is the father of R J isthe brother of P and P is the daughter of S. Who is the uncle of J?
Correct Answer:
A: R
Rehana is one inch taller than Jamila, and two inches shorter than Faria.Amina is one inch shorter than Jamila's younger sister ,and one inxh taller than Jamila . Which of the girls is/are taller then the rest of the girls ?
Correct Answer:
C: Faria
X and Y are the children of Z . Z is the father of X. But Y is not son of Z. What is Y to
Correct Answer:
C: Duaghter and father
If meeting O is an Saturday , meeting K must take place on which day ?
Correct Answer:
C: Wednesday
Which is the latest day of the week on which meeting L can take place?
Correct Answer:
A: Saturday
which of the following products cannot be placed in compartment 1?
Correct Answer:
D: X
Explanation:
which of the following products cannot be placed in compartment 1? Correct Answer X প্রশ্নে বলা হচ্ছে, U কে 5 নং Compartment এ রাখলে 6 নং Compartment এ কোন Product কে রাখতে হবে ? শর্তগুলো পূরণ করে নিম্নোক্তভাবে Product গুলোকে সাজানো যায় । 1 2 3 4 5 6 V Z W X U Y
If X is placed in compartment 3. W must be placed in compartment __
Correct Answer:
B: 2
Explanation:
If X is placed in compartment 3. W must be placed in compartment __ Correct Answer 2 বলা হচ্ছে যে, X কে 3 নং Compartment এ রাখলে W কে কোন Compartment এ রাখতে হবে ? যেহেতু X এর ঠিক বাম পাশেই W কে রাখতে হবে, তাই X কে 3 নং এ রাখলে W কে অবশ্যই 2 নং Compartment এ রাখতে হবে ।
If U is placed in compartment 5, which of the following products must be placed in compartment
Correct Answer:
D: Y
Explanation:
If U is placed in compartment 5, which of the following products must be placed in compartment Correct Answer Y প্রশ্নে বলা হচ্ছে, U কে 5 নং Compartment এ রাখলে 6 নং Compartment এ কোন Product কে রাখতে হবে ? শর্তগুলো পূরণ করে নিম্নোক্তভাবে Product গুলোকে সাজানো যায় । 1 2 3 4 5 6 V Z W X U Y
If Z is placed in compartment 3, immediately to the right of x , which of the following products must be placed in compartment 5?
Correct Answer:
D: Y
In a certain code , RIPSLE is written as 613082 and WIFE is written at 4192 . How is PEWSL written in that code ?
Correct Answer:
A: 32408
Explanation:
In a certain code , RIPSLE is written as 613082 and WIFE is written at 4192 . How is PEWSL written in that code ? Correct Answer 32408 Solution: বলা হচ্ছে , RIPSLE = 613082 এবং WIFE = 4192 হলে PEWSL = ? R I P S L E 6 1 3 0 8 2 এবং W I F E 4 1 9 2 P E W S L 3 2 4 0 8 তাই সঠিক উত্তর a).
If W speaks in time slot 7, any of the following pairs of speakers could speak in time slots immediately adjacent to each other EXCEPT?
Correct Answer:
B: Q and R
Sakib is taller than Sajib , Rajib is taller than Mozib , Mozib is shorter than Hafiz, Sajib and Hafiz are of the same height. If the above is true , which of the following conditions must also be true?
Correct Answer:
B: Sakib is taller than Mozib
If R speaks immediately before V speaks, which of the following could be true?
Correct Answer:
D: V speaks before R speaks .
Explanation:
If R speaks immediately before V speaks, which of the following could be true? Correct Answer V speaks before R speaks . P, Q, R, S and T are five speakers who have to speak on a particular day, not necessarily in the same order. R is neither the first nor the last speaker. There are three speakers after S and three speakers ahead of T. If P speaks after Q, then who is the last speaker to speak
Which of the following must be true?
Correct Answer:
A: Q speaks before R speaks
Explanation:
Which of the following must be true? Correct Answer Q speaks before R speaks Three boys P,Q and R are to speak at a function along with 5 others. If all of them speak in random order, what is the probability that P speaks before Q and Q speaks before R? A. 13 B. 19 C. 16 D. 29 Answer: Option C
In which year was Aunik born? Statements : 1 . Aunik at present is 25 years younger to his mother. 2. Aunik 's brother , who was born in 1964 , is 35 years younger to his mother .
Correct Answer:
D: Both I and II are sufficient
Explanation:
In which year was Aunik born? Statements : 1 . Aunik at present is 25 years younger to his mother. 2. Aunik 's brother , who was born in 1964 , is 35 years younger to his mother . Correct Answer Both I and II are sufficient From both (1) and (2), we find that Aunik is (35 – 25) = 10 years older than his brother, who was born in 1964. So, Aunik was born is 1954.
who among P, Q, T, V and M is exactly in the middle when they are arranged ascending order of their heights ? Statements : 1. V is taller than Q but shorter than M 2. T is taller than Q and M but shorter than P
Correct Answer:
D: Both I and II are sufficient
Explanation:
who among P, Q, T, V and M is exactly in the middle when they are arranged ascending order of their heights ? Statements : 1. V is taller than Q but shorter than M 2. T is taller than Q and M but shorter than P Correct Answer Both I and II are sufficient From (1), we have : M > V > Q From (2), we have : T > Q, T >M, P > T Combining the above two, we have : P > T > M > V > Q i.e. Q Clearly, M is in the Middle.
Five persons __ A,B, C, D and E are sitting in a row. who is sitting in the middle ? Statements 1. B is between E and C . 2. B is to the right of E. 3. D is between A and E .
Correct Answer:
D: All I, II and III
Explanation:
Five persons __ A,B, C, D and E are sitting in a row. who is sitting in the middle ? Statements 1. B is between E and C . 2. B is to the right of E. 3. D is between A and E . Correct Answer All I, II and III From (1), the order is : E, B, C or C, B, E From (2), the order is : E, B From (3), the order is : A, D, E Combining the above three, we get the order as : A, D, E, B, C. Clearly, E is sitting in the middle.
Zinat's father contributes to his daughter's saving by giving he 10% of her total saving. If zinat saves Tk. 100 in june , Tk. 250 in july and TK. 130 in August , how much will she have in savings in tk. at the end of that time. ?
Correct Answer:
A: 528
How is Related to K? Statements 1. R's sister J has married T's brother L, who is the only son of his parents 2. K is the only daughter of L and J.
Correct Answer:
D: Both I and II are sufficient
Explanation:
How is Related to K? Statements 1. R's sister J has married T's brother L, who is the only son of his parents 2. K is the only daughter of L and J. Correct Answer Both I and II are sufficient From (1). We know that L is T’s brother and J’s husband. Since L is the only son of his parents, T is L’ sister. From (2), We know that K is L’s daughter. Thus from (1) and (2), we conclude that T is the sister of K’s father i.e. T is K’s aunt.
P is the father of Q but Q is not the son of p. What is the relationship between Q and P?
Correct Answer:
C: Father and daughter
who is to the immediate right of P among five persons P, Q, R, S and T facing North? Statements : 1. R is third to the left of Q and P is second to the right of R. Q is to the immediate left of T who is second to the right of P.
Correct Answer:
C: Either I or II is sufficient
Explanation:
who is to the immediate right of P among five persons P, Q, R, S and T facing North? Statements : 1. R is third to the left of Q and P is second to the right of R. Q is to the immediate left of T who is second to the right of P. Correct Answer Either I or II is sufficient From (1), We have the order: R - , P, Q. From (2), We have the order: P, Q. T. Clearly, each one of the above two orders indicates that Q is to the immediate right of P.