self Maths Puzzle

The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?

A. 4 years B. 8 years
C. 10 years D. None of these

Read Solution (Total 1)

let's take last child age is x,
and last before child age is x+3,like that goes on
first child age is x+12
total age is 50 (given)
(i.e) x+(x+3)+(x+6)+(x+9)+(x+12)=50
5x+30=50
=>x=4
so last/youngest child age is 4
Ans is OPT (A)
12 years agoHelpfull: Yes(11) No(2)

self Other Question

A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is:

A. 400 kg B. 560 kg
C. 600 kg D. 640 kg
View Answer Workspace Report Discuss in Forum
A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was:

A. 14 years B. 19 years
C. 33 years D. 38 years