# Aptitude Logical Reasoning Ratio and Proportion 2021 NTSE Part 8

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1. The salaries of A, B, C are in the ratio . If the increments of , and are allowed respectively in their salaries, then what will be the new ratio of their salaries?

A.

B.

C.

D. Cannot be determined

Answer: C

2. If ₹ 782 be divided into three parts, proportional to , then the first part is:

A. ₹ 182

B. ₹ 190

C. ₹ 196

D. ₹ 204

Answer: D

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

A. 27

B. 33

C. 49

D. 55

Answer: B

4. Two numbers are in the ratio . If 7 is added to both, their ratio changes to . The greatest number is:

A. 24

B. 26

C. 28

D. 32

Answer: C

5. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of . If there are ₹ 30 in all, how many 5 p coins are there?

A. 50

B. 100

C. 150

D. 200

Answer: C

6. Salaries of Ravi and Sumit are in the ratio . If the salary of each is increased by ₹ 4000, the new ratio becomes . What is Sumit՚s present salary?

A. ₹ 17,000

B. ₹ 20,000

C. ₹ 25,500

D. ₹ 38,000

Answer: D

7. If ₹ 510 be divided among A, B, C in such a way that A gets of what B gets and B gets of what C gets, then their shares are respectively:

A. ₹ 120, ₹ 240, ₹ 150

B. ₹ 60, ₹ 90, ₹ 360

C. ₹ 150, ₹ 300, ₹ 60

D. None of these

Answer: B

8. The sum of three numbers is 98. If the ratio of the first to the second is . And that of the second to the third is , then the second number is:

A. 20

B. 30

C. 48

D. 58

Answer: B

9. A and B together have ₹ 1210. If of A՚s amount is equal to of B՚s amount, how much amount does B have?

A. ₹ 460

B. ₹ 484

C. ₹ 550

D. ₹ 664

Answer: B

10. Seats for Mathematics, Physics and Biology in a school are in the ratio . There is a proposal to increase these seats by , and respectively. What will be the ratio of increased seats?

A.

B.

C.

D. None of these

Answer: A