Maths Mcqs Practice Test

Question 1

The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.

Accepted Answer

C.\xa012

Question 2

If a flat costs Rs.4500 per sq. ft, and a commercial space costs Rs.9500 per sq. ft, then what is the ratio of their areas if the total cost of both are the same?

Accepted Answer

B.\xa019:9

Question 3

The sum of three numbers is 172. The ratio of the first and second numbers is 8:11. The ratio of the second and third is 5:7. Find the second number.

Accepted Answer

B.\xa055

Question 4

4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer.

Accepted Answer

C.\xa0Rs.15000

Question 5

The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number.

Accepted Answer

A.\xa04

Question 6

Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.

Accepted Answer

A.\xa038

Question 7

The number of seats available for Biology and Computer Science in a school is in the ratio 5:8. They are to be increased by 30% and 25% . Find the new ratio.

Accepted Answer

B.\xa013:20

Question 8

A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.

Accepted Answer

D.\xa08:5

Question 9

Find the fourth proportion to 3, 7 and 9.

Accepted Answer

C.\xa021

Question 10

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?

Accepted Answer

C.\xa05 : 3

Question 11

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ?

Accepted Answer

A.\xa02 : 3 : 4

Question 12

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

Accepted Answer

C.\xa0150

Question 13

Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________?

Accepted Answer

C.\xa049

Question 14

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?

Accepted Answer

C.\xa04 : 5

Question 15

A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share ?

Accepted Answer

C.\xa0Rs. 2000

Question 16

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?

Accepted Answer

C.\xa021 : 22

Question 17

The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?

Accepted Answer

B.\xa030

Question 18

If the number obtained on interchanging the digits of a two-digit number is 18 more than the original number and the sum of the digits is 8, then what is the original number ?

Accepted Answer

B.\xa035

Question 19

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is :_________?

Accepted Answer

B.\xa024

Question 20

Find the number which when multiplied by 15 is increased by 196.

Accepted Answer

A.\xa014