উচ্চতর গণিত MCQs
Showing 50 questions (Total: 10201)
If the ratio of men to women in a class is 3 : 5 and the class contains 24 people, how many additional men would have to enroll to make the ratio of men to women 1 : 1?
Correct Answer:
B: 6
Think of a number and then double the number Add 6 and multiply the result by 10. Now divide the result by 20 , then subtract the number you first thought out. What is the result?
Correct Answer:
B: 3
B can work thrice as much as A can do in a day. If they together can do 4/15 parts of a work in 10 days, in how many days will B finish the work alone?
Correct Answer:
B: 50 days
If u>t, r>q , s>t , and t>r ,which of the following must true? I. u>s II. s>q III.u>r
Correct Answer:
D: ii and iii
311y+z11z+x11x+y নির্ণায়কটির মান কত?
Correct Answer:
ঘ: কোনটিই নয়
যদি A একটি m × n আকারের ম্যাট্রিক্স এবং B একটি n × p আকারের ম্যাট্রিক্স হয় তাহলে তাদের গুণফল AB এর আকার হবে-
Correct Answer:
গ: m × p
1+1/2+1/4+........... ধারাটির প্রথম 10 টি পদের সমষ্টি কত হবে?
Correct Answer:
ক: 2{1-(12)10}
If a + b+c =15 a2+b2+c2=83, what is the value of ab + bc +ca ?
Correct Answer:
B: 71
If c+d =11 and both c and d are positive integers, which of the following is a possible value for 5c +8d ?
Correct Answer:
B: 61
A gaint wheel makes 40 rotations to cover a distance of 1.75 kilometer. What is the radius of the Wheel?
Correct Answer:
B: 6.963
In three years , Jerin will be three times as old as her daughter . Six years ago, her age was her daughter .Six years ago, her age was her daughter'sage squired . How old is Jarin.
Correct Answer:
C: 42
A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be ___ .
Correct Answer:
D: 26
Observe the following information and find the correct answer? i. loga(m)p=plogam ii.24=16 and log216=4 are synomymous iii. loga(m+n)=logam+logan
Correct Answer:
A: i and ii
The average temperature on Monday , Tuesday & Wednesday was 84° and for Tuesday, Wednesday and Thursday was 87° . If the temperature on Monday was 91° , find the temperature on Thursday?
Correct Answer:
A: 100°
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
Correct Answer:
B: 38
When one card is selected at random form a pack of 52 playing cards , the number of possible. selection is _____ .
Correct Answer:
B: 52
Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?
Correct Answer:
C: 2.5 kg
In a class, the number of boys is more than the number of girls by 12 % of the total students . The ratio of boys to girls is :
Correct Answer:
D: 28 : 25
If x = -0.5 then which of the following has the smallest value?
Correct Answer:
A: 21/x
The average marks of a student in 10 parers are 80. If the highest and the lowest scores are not considered, the average is 81 . If his highest score is 92. find the lowest.
Correct Answer:
B: 60
The sum of four consecutive two -digit odd numbers , when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers?
Correct Answer:
C: 41
The rate of inflation was 1000% . Then what will be the cost of an item, which costs 6 taka now , 2 years from now?
Correct Answer:
D: Try your self
In △ABC, , points P,Q and R are the mid points of sides AB, BC and CA respectively . If area of △ABC, is 20 square unit, find the area of ∆PQR .
Correct Answer:
C: 5 square unit
Due to booming business, a company increased its staff salary by 25% , By what percent must it now decrease the salary to return to the original amount?
Correct Answer:
C: 20%
which of the following information is alone sufficient to find out the value 4x2 +12xy + 9y2 ?
Correct Answer:
D: 2x + 3y =2
The average of four consecutive odd positive integers is always:
Correct Answer:
D: Either B or C
If I have a number and add 6 , I get same result as if I double the number and subtract 21. Find the number.
Correct Answer:
D: 27
If a = 9x -2, b=3x +5 and 2a =b , then the value of x =?
Correct Answer:
C: 35
A dealer offers a cash discount of 20% and still makes a profit of 20% , When he further allows 16 articles to a dozen to a particularly sticky bargainer How much percent above the cost price were his wares listed?
Correct Answer:
D: Try your self
The angles of a triangle are in the ratio of 2 : 3 : 4 the largest angle in the triangle is ?
Correct Answer:
D: 80
If 2x -y =4 then 6x -3y =?
Correct Answer:
D: 12
Decimal number 0.420 may be written as:
Correct Answer:
A: 4.2×10-1
The population of atownincreased from 1,75,000 to 2,62,500 in a decade. The average percentage increase of the population per year is?
Correct Answer:
D: 5%
If b<2 and 2x -3b=0 , then
Correct Answer:
A: x<3
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
If the length of a rectangle is increased by 20% and the width is decreased by 20% , the area is?
Correct Answer:
B: decreased by 4%
What is the cost price of a shirt which is sold at a sloss of 20% for TK. 320?
Correct Answer:
B: 400
A man spends 3/5 of his income and still saves TK. 600 . His income is ?
Correct Answer:
C: 1500
How many degress does a minute hand move in 20 minutes?
Correct Answer:
D: 120 degree
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%
The selling price of 15 items equals the cost of 20 items. What is the percentage profit earned by the seller. ?
Correct Answer:
C: 33.3%
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
তিনটি ধারকের ধারকত্ব যথাক্রমে 1,2,3uF। সমান্তরাল বিন্যসে এর তুলা ধারকত্ব কত হবে?
Correct Answer:
ক: 6μF
(1+x2)7 এর বিস্তৃতিতে x6 এর সহগ নির্নয় কর।
Correct Answer:
গ: 35
A=0112 এবং B=12 হলে AB=কত?
Correct Answer:
B: 25
5x2-3x-1=0 সমীকরণটির মূলদ্বয়ের প্রকৃতি কিরূপ ?
Correct Answer:
খ: বাস্তব ও অমূলদ