CGL 23 17-07-2023 Shift 1


Question 1


There are 3 members in a family. The average age of the father and mother is 40 years. The average age of the father, mother and daughter is 30 years. Find the age (in years) of the daughter.

एक परिवार में 3 सदस्य हैं। पिता और माता की औसत आयु 40 वर्ष है। पिता, माता और पुत्री की औसत आयु 30 वर्ष है। पुत्री की आयु (वर्षों में) ज्ञात कीजिए।

Options

A

8

8

B

10

10

C

6  

6  

D

12

12


Solution:

Correct Answer:

B

10

10


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