সমতলে বস্তুকণার গতি (Motion of particles in a plane) MCQs
Showing 50 questions (Total: 1241)
A sum of money will triple itself in 20 years at simple interest with yearly rate of ?
Correct Answer:
C: 10%
A shipping clerk has five boxes of different but unknown weights each weighing less than 100 kg. sThe clek weighs the boxes in pairs. The weights obtained are 110, 112, 113 , 114 , 115,116,117,118,120 and 121 kg . What is the weight of the heaviest box?
Correct Answer:
D: Cannot be determined
A man spends 3/5 of his income and still saves TK. 600 . His income is ?
Correct Answer:
C: 1500
The salary of an employee is first decreased by 10% and then is increased by 25% . Find percent increase i his salary from the original salary ?
Correct Answer:
D: 48.3%
If P :Q =3 , P:R =2: 7 , then what is the value of Q : R?
Correct Answer:
D: Try your self
A ferry can carry 24 buses or 36 cars at a time. If there are 9 cars on the ferry, how many buses can be loaded onto it?
Correct Answer:
B: 18
Difference between two numbers is 2 and their sum is 4. Then what is the difference of their square?
Correct Answer:
B: 8
What is the area of circle with a radius of 7 meters?
Correct Answer:
A: 154 sq meters
Six men can complete a work in 5 days if they work for 8 hours per day. How many days 4 men will take to do the same work only 5 hours per day?
Correct Answer:
A: 12
Explanation:
Six men can complete a work in 5 days if they work for 8 hours per day. How many days 4 men will take to do the same work only 5 hours per day? Correct Answer 12 Shortcut :(5×6×8)÷(4×5)=12
In a room all except 18 of the people are above 50 years of age . If 15 of the people din the room are under 50 years of age. How many people are in the room?
Correct Answer:
D: can't be determined
What percentage of profit is made by selling an article at a certain price if by selling at two third of that price there would be a loss of 20%
Correct Answer:
D: 15%
Before anybody could notice , Arif took 1/3 of the chocolates from a box. Later, his three sisters arrived and the remaining chocolates were distributed equally among the four of them. Arif received a total of 48 chocolates. How many did each of her sisters receive?
Correct Answer:
A: 16
A picture measuring 16 cm × 24 cm has a frame 1 cm wide on all sides. About how many times grater than he area of the picture ?
Correct Answer:
A: 1.2
If all workers were paid TK. 20 per hour, what was the average age per worker ?
Correct Answer:
D: Try your self
P is a set of 5 consecutive integers whose average is 4. Q is a set of 7 consecutive integer whose average is 7. How many numbers of set Q are also members of set P?
Correct Answer:
C: 3
The sum of 6 consecutive odd integers exceeds twice the biggest interger by 38. Find sum of the six numbers.
Correct Answer:
B: 72
x-এর সাপেক্ষে xx2-5 এর তৃতীয় অন্তরক
Correct Answer:
গ: 6
A parking garage rents parking spaces for Tk. 100 per week or Tk. 300 per month. How much does a person save in a year by renting by the month rather than by the week?
Correct Answer:
B: TK. 1600
How many spokes are there in a wheel of a car . if any tow spokes from an angle of 15?
Correct Answer:
D: 24
If an inspector rejects 0.08% reject of a product as defective. how many products will he examine in order to reject 2?
Correct Answer:
D: 2500
Sum of five consecutive integers is 45. How many of these integers are prime numbers?
Correct Answer:
B: 2
What is the maximum number of points of intersection of two circles which have unequal radii?
Correct Answer:
B: 2
If x/y =-1 , and xy=-1 then x-y =?
Correct Answer:
B: 2 or -2
B and C are poits on a straight line AD. where AB=BC=CD. What percent of AC is AD?
Correct Answer:
D: 150%
To avoid paying toli on a direct road. I drive west 10 miles, south 5 miles, west 30 miles and north 35 miles. What is the length of the toli -road in miles?
Correct Answer:
C: 50
A rope cut into 3 pieces with each piece twice as long as the previous one. If the length of longest piece is 3 meter ,What was the length of the rope in meter ?
Correct Answer:
D: 5.25
If 7x -5y =13 and 2x-7y=26. then 9x -12y =?
Correct Answer:
D: 39
which following is nearest to the square root of 10.5 ?
Correct Answer:
A: 3
Find the next number in the series : 3,6, 4, 9, 5, 12,6______.
Correct Answer:
D: 15
In a cash box, there are equal numbers of 10 paisa, 25 paisa and 50 coins. If it contains TK. 170 . then what is then number of 10 paisa coin?
Correct Answer:
B: 200
একটি ছক্কা এবং 4টি মুদ্রা নিক্ষেপ করা হলে তাদের নমুনা ক্ষেত্রে মোট কতটি বিন্দু থাকবে?
Correct Answer:
ক: 96
A retailer buys aradio from the wholesaler for $75. He then marks up the price by 1/3 and sells it at a discount of 20% . what was his profit on the radio?
Correct Answer:
A: $5.00
If the price of an item is increased by 10% and then decreased by 10% , the net effect on the price of the items is ___ .
Correct Answer:
D: decrease of 11%
what must be added to each item of the ratio 7 : 13 so that the ratio becomes 2 : 3
Correct Answer:
D: 5
If a school has 24 teachers and 480 students what is the ratio of teachers to students
Correct Answer:
B: 1 : 20
What is the average of the first 50 positive integers?
Correct Answer:
C: 25.5
In a certain set of numbers, the ratio of integers to non integers is 1 : 4 . What percent of the numbers in the set are integers?
Correct Answer:
B: 25%
A certain machine can make 3 widgets every 2 seconds . At this rate, how many widgets will be made in 1 minute ?
Correct Answer:
C: 90
If 1 alpha =2 betas and 1 beta =3 gammas , how many alphas are equal to 36 gammas?
Correct Answer:
A: 6
The angles of a triangle are in the ratio of 2: 3: 4. What is the degree measure of the largest angle ?
Correct Answer:
B: 80
The average of 3 numbers is 24. If 2 of the numbers are 21 & 23 , the third number is :
Correct Answer:
A: 28
Lenny's average score after 3 tests is 88 . What score on the 4th test would bring Lenny's average up to exactly 90 ?
Correct Answer:
B: 96
The three angles of a triangle are 3x, x +10 , and 2x -40. Find the size of the smallest
Correct Answer:
B: 35
The average of 5 five consecutive even numbers is 8. which is the smallest of the 5 numbers?
Correct Answer:
C: 6
Sumi on three consecutive whole numbers is 5 then what is 1/3 of the middle number?
Correct Answer:
B: 5
If a number is divisible by 102 , then this is also divisible by :
Correct Answer:
D: 2
If x +1 <3x +5 , then
Correct Answer:
B: x>-2
If 40%^ of the workers are graduate , and of them 15% are male ,what percent of the workers are male and graduate?
Correct Answer:
B: 6%
Find x if 6.4/x = 47
Correct Answer:
C: 11.2
x3+1x3=183 হলে x =?
Correct Answer:
C: 3+2