6
Q:
A) 84 years | B) 72 years |
C) 82 years | D) 64 years |
Answer: A) 84 years
Explanation:
Explanation:
Let the age of ruler is x so that of son = x/2 (given)
Now according to the given condition
(x/6) + (x/12) + (x/7) + 5 + (x/2) + 4 = x
=> x = 84