Ratio And Proportion MCQ Set 4

Showing question 16 to 20 of total 30 MCQs

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 20

There are two numbers and their ratio is 3 : 9. If we substract 9 from both numbers then their ratio becomes 12 : 13, what is value is smaller number ?

1. 23
2. 27
3. 31
4. 33

Answer: D

Explanation

From question, lets assume that two numbers are 3x and 5x.

So numbers are 3(11) = 33, 5(11) = 55.

Smaller number is 33.

Question No: 16

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

1. 10
2. 17
3. 25
4. 30

Answer: D

Explanation

Question No: 17

Salaries of Ravi and Sumit are in the ratio 2:3. If the salary of each is increased by Rs 4000, the new ratio becomes 40:57. What is Sumit present salary.

1. 32000
2. 34000
3. 38000
4. 40000

Answer: C

Explanation

Let the original Salaries of Ravi and Sumit is 2x and 3x.

So as per question

=>57(2x+4000)=40(3x+4000)

=>6x=68000

=>3x=34000

Sumit Salary =3x+4000

34000+4000=38000

Question No: 18

A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount. How much amount B have.

1. Rs 484
2. Rs. 480
3. Rs 478
4. Rs 470

Answer: A

Explanation

In this type of question, we will first try to calculate the ratio of two persons.

Once we get ratio then we can easily get our answer.

So lets solve this.

Question No: 19

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

1. 2:5
2. 2:7
3. 5:7
4. 5:3

Answer: D

Explanation

Let the first number is A and second number is B.

As per question