সাধারণ গণিত MCQs
Showing 50 questions (Total: 426)
How much money would a man have to invest at the rate of 5% per year, to have Tk. 1470 at the end of the year?
Correct Answer:
B: 1400
If x = 1 and y = - 2, then 2x - 3y =
Correct Answer:
D: 8
If 77:28:: 55: x, find the value of x.
Correct Answer:
A: 20
In a certain group, 12 of the children average are age 10 and eight are age 15. What is the average the ages of all the children in the group?
Correct Answer:
D: 12
A trader incurs a loss of 10% from selling an item. If the selling price was Tk. 200 more, he would have made a profit of 15%. What was the cost of the item?
Correct Answer:
A: 800
The ratio of green marbles to red marbles in a box is 3:5. If there are 24 marbles in the box, how many additional green marbles will be required to make the ratio of green marbles to red marbles 1:1?
Correct Answer:
C: 6
For what values of ‘k’ will the pair of equations 3x + 4y = 12 and kx + 12y = 30 not have a unique solution?
Correct Answer:
B: 9
Of the following, which is greater than 12 ?
Correct Answer:
B: 4/7
If joe is now x years old and Marie is 6 years older than joe, which of the following gives Marie's age 8 years ago?
Correct Answer:
C: x - 2
The length of a rectangle is increased by 20% and width is decreased by 10%. What is the change of area in percentage?
Correct Answer:
B: 8%
8% of 0.06 =?
Correct Answer:
D: 0.0048
For which of the following lengths of a side of a square would the perimeter be divisible by both 4 and 9?
Correct Answer:
A: 6
During a certain chess tournament, each of six players will play with every other player exactly once. Then, how many different matches will be played during the tournament?
Correct Answer:
B: 15
It takes 24 hours for 10 men to make 15 Christmas Cakes. How many cakes can be made if 8 men work for 36 hours?
Correct Answer:
C: 18
If the average of p and q is 7 and r = 13, what is the average of p, q and r?
Correct Answer:
D: 9
What is the volume of a cube with a surface area of 96?
Correct Answer:
A: 64
How many meters of fencing are needed to enclose a circular flower bed the radius of which is 7 meters?
Correct Answer:
A: 11
How many minutes does it take john to type y words if he types at the rate of x words per minute?
Correct Answer:
B: yx
Explanation:
How many minutes does it take john to type y words if he types at the rate of x words per minute? Correct Answer yx The amount of time it takes John to type y words at a rate of x words per minute can be calculated using the formula:time = number of words / typing speedwhere "number of words" is y and "typing speed" is x.So, the formula can be written as:time = y / xTherefore, it would take John y/x minutes to type y words at a rate of x words per minute.
If the price of an item increases from Tk. 5 to Tk. 8, the old price is what % of the new price?
Correct Answer:
C: 62.50%
If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?
Correct Answer:
A: 103
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
Correct Answer:
C: 24
If the price of pen is discounted by 40%, for Tk. 120 you can buy 4 more pens than you could buy at the original price. How many pens could be bought for Tk. 120 at the original price?
Correct Answer:
A: 6
Explanation:
If the price of pen is discounted by 40%, for Tk. 120 you can buy 4 more pens than you could buy at the original price. How many pens could be bought for Tk. 120 at the original price? Correct Answer 6 40% of 120 = 48Price of 4 pen is 48Then 1 pen = 12 tk After 40% reduction,60% = 12tk100% = 20 tkAt original price 120/20= 6 pen can be bought.
Three years back, a father was 24 years older than his son. at present the father is 5 times as old as the son. How old will the son be three years from now?
Correct Answer:
C: 9 years
Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce total of 200 bolts?
Correct Answer:
B: 25
What is the cost in taka to put tiles in a room of x yards long and y yards wide, if the tile costs 10 taka per square foot?
Correct Answer:
D: 90xy
David has d books, which is times as many as Jeff and 12 as many as Paula. How many books do the three of them have altogether, in terms of d?
Correct Answer:
C: 103d
If Jake loses 8 pounds, he will weight twice as much as his sister. Together they now weight 278 pounds. What is Jake's present weight, in pounds?
Correct Answer:
D: 188
What is the value of n if 2(n + 1) = 32 ?
Correct Answer:
A: 4
Explanation:
What is the value of n if 2(n + 1) = 32 ? Correct Answer 4
Mary's income is 60 percent more than Tim's income, and Tim's income is 40 percent less than Juan's income. What percent of Juan's income is Mary's income?
Correct Answer:
C: 96%
If p pencils cost c cents, how many pencils can be bought for d dollars?
Correct Answer:
D: 100dp/c
An international convention has a total of d delegates from c countries. If each country is reprented by the same number of delegates, how many delegates does each country have?
Correct Answer:
D: d/c
The River town little League is divided into d divisions. Each division has t teams, and each team has p players. How many players are there in the entire league?
Correct Answer:
B: dtp
Find out the odd letter E, A, K, U and O.
Correct Answer:
A: K
Explanation:
Find out the odd letter E, A, K, U and O. Correct Answer K E, A, U, O= vowelK= consonant Ans: K.
"A is B's brother. B is C's brother". If these relationships are true, then which of the following must be true?
Correct Answer:
D: B and A are brothers
A and B are children of C. C is the father of A but B is not daughter of C. What is B to C?
Correct Answer:
A: Son
If n is an integer greater than 6, which of the following must be divisible by 3?
Correct Answer:
A: n(n + 1)(n - 4)
At least 23 of the 40 members of a committee must 2/3 vote in favour of a resolution for it to pass. What is the greatest number of members who can vote against the resolution and still have it pass?
Correct Answer:
D: 1313
If CAT stands for 3120 the DOG stands for _____?
Correct Answer:
C: 4157
Explanation:
If CAT stands for 3120 the DOG stands for _____? Correct Answer 4157 CAT C=3, A=1, T=20DOG D=4, O=15, G=7
Jak's average test score after 2 tests is 78. What average score must Jake score on the 3rd ,4th and 5th tests to bring his average up to exactly 87?
Correct Answer:
C: 93
A student's average test score on 4 tests is 78. What must be the student's score on the 5 ^ (th) * testf the student's average score on the 5 tests to be 80?
Correct Answer:
D: 88
A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece?
Correct Answer:
B: 11
Explanation:
A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece? Correct Answer 11 Let the larger piece is, xSo, x+x-18 = 40or,2x = 40+18or, x =58/2x = 29Then the shorter piece is 29-18 = 11
If m2 = 17 then what is the value of (m + 1) (m - 1) ?
Correct Answer:
C: 16
The average of 7 consecutive numbers is 33. The largest of those numbers is:
Correct Answer:
A: 36
Explanation:
The average of 7 consecutive numbers is 33. The largest of those numbers is: Correct Answer 36 According to the Question,=> (x +(x+1)+(x+2)+( x+3) +(x+4)+( x+5)+( x+6)) /7 =33=> (7x+21)/7 =33=> 7x +21 = 33*7=> 7x = 231–21=> 7x =210=> x =210/7=> x =30Hence, the numbers are 30, 31, 32, 33, 34, 35, 36,So, the largest number is 36
Bob and Jack share an apartment. If each month Bob pays a dollars and Jack pays b dollars, what percent of the total cost does Bob pay?
Correct Answer:
D: 100aa+b%
In the figure below, AD = 4, CD = 9 and DE = 3 AE, What is the area of triangle AEC?
Correct Answer:
B: 4.5
If f(x) = 2x2 + 1 which the following is a solution of the equation f(3x) =3 ?
Correct Answer:
B: -13
Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes Kelly packed to the number of boxes Chris packed?
Correct Answer:
D: 2 to 3
Explanation:
Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes Kelly packed to the number of boxes Chris packed? Correct Answer 2 to 3 Let, the TOTAL number of boxes = 10So, Chris packed 6 boxes, and Kelly packed the remaining 4 boxes.Ratio of the number of boxes Kelly packed to the number of boxes Chris packed = 4 : 6 = 2 : 3
The average (arithmetic mena) of 10, 30, and 50 is 5 more than the average of 20, 40, and x. Then x = ?
Correct Answer:
A: 15
Hossain Chowdhury said 15 days ago, "My birthday is day after tomorrow". If today is 30th, birthday of Hossain Chowdhury-
Correct Answer:
D: 17
Leona bought a 1-year, $10,000 certificate of deposit that pay interest at an annual rate of 8 percent compounded semiannually. What is the total amount of interest paid on this certificate at maturity?
Correct Answer:
C: $816