Question
The sum of the ages of 3 people A, B, and C is 90 years. What would be the total of their ages 4 years back?
A. 75 years
B. 83 years
C. 84 years
D. 78 years
Answer: D
Solution:
Required sum
= (90 – 3 x 4) years
= (90 – 12) years
= 78 years
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