Orders of Magnitude UPSC Questions

Orders of Magnitude MCQ Questions

13.

A sum of 2,500 is distributed among X, Y and Z in the ratio 1/2, 3/4, 5/6. What is the difference between the maximum share and the minimum share?

UPSC-2020

A.

₹ 300

B.

₹ 350

C.

₹ 400

D.

₹ 450

ANSWER :

C. ₹ 400
A sum of 2,500 is distributed among X, Y and Z in the ratio 1/2, 3/4, 5/6. What is the difference between the maximum share and the minimum share?

14.

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

A.

2:5

B.

5:3

C.

7:3

D.

3:07

ANSWER :

B. 5:3
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?

15.

The ratio compounded of (2 : 3), (9 : 4), (5 : 6) and (8 : 10) is :

A.

1:5

B.

1:1

C.

3:8

D.

None of the above

ANSWER :

B. 1:1
The ratio compounded of (2 : 3), (9 : 4), (5 : 6) and (8 : 10) is :

16.

A man divides his property so that his son’s share to his wife’s share and the wife’s share to his daughter’s share are both in the ratio 3 : 1. If the daughter gets Rs 10,000 less than the son, find the total worth of the property.

A.

Rs 15250

B.

Rs 16,250

C.

Rs 17500

D.

Rs 18250

ANSWER :

B. Rs 16,250
A man divides his property so that his son’s share to his wife’s share and the wife’s share to his daughter’s share are both in the ratio 3 : 1. If the daughter gets Rs 10,000 less than the son, find the total worth of the property.

17.

Nirmal and Kapil started a business investing Rs 9,000 and Rs 12,000 respectively. After 6 months, Kapil withdrew half of his investment. If after a year, the total profit was Rs 4,600,what was Kapil’s share in it ?

A.

Rs 2,000

B.

Rs 1,900

C.

Rs 2,300

D.

Rs 2,600

ANSWER :

C. Rs 2,300
Nirmal and Kapil started a business investing Rs 9,000 and Rs 12,000 respectively. After 6 months, Kapil withdrew half of his investment. If after a year, the total profit was Rs 4,600,what was Kapil’s share in it ?

18.

The average age of three boys is 25 years and their ages are in the proportion 3: 5 : 7. The age of the youngest boy is:

A.

9 years

B.

15 years

C.

18 years

D.

21 years

ANSWER :

B. 15 years
The average age of three boys is 25 years and their ages are in the proportion 3: 5 : 7. The age of the youngest boy is: