Book Maths Puzzle Numerical Ability Age Problem

The ratio of ages of two persons is 4 : 7 and one is 30 years older than the other. Find the sum of their ages.

Read Solution (Total 3)

40:70 sum is 110
10 years agoHelpfull: Yes(1) No(0)

suppose ages are x and y
ratios x:y = 4:7
and x+30 = y

on solving
x= 40
and y=70
10 years agoHelpfull: Yes(1) No(1)
sum of their age is 110
8 years agoHelpfull: Yes(0) No(0)

Book Other Question

If a manufacturer charges q dollars each for footballs, then he can sell 3000 � 150 q footballs per week. Find a polynomial that represents the revenue for 1 week. Find the weekly 0.8 portion of a tank is filled with water. If 25 litres of water is taken out from the tank, 14 litres of excess water over the half filled up tank remains in it. Find the capacity of the tank.