How old are kids
Two old friends, Jack and Bill, meet after a long time.
Jack: Hey, how are you man?
Bill: Not bad, got married and I have three kids now.
Jack: That’s awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool… But I still don’t know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh now I get it.
How old are Bill’s kids?
Let’s break it down. The product of their ages is 72. So what are the possible choices?
2, 2, 18 – sum(2, 2, 18) = 22
2, 4, 9 – sum(2, 4, 9) = 15
2, 6, 6 – sum(2, 6, 6) = 14
2, 3, 12 – sum(2, 3, 12) = 17
3, 4, 6 – sum(3, 4, 6) = 13
3, 3, 8 – sum(3, 3, 8 ) = 14
1, 8, 9 – sum(1,8,9) = 18
1, 3, 24 – sum(1, 3, 24) = 28
1, 4, 18 – sum(1, 4, 18) = 23
1, 2, 36 – sum(1, 2, 36) = 39
1, 6, 12 – sum(1, 6, 12) = 19
The sum of their ages is the same as your birth date. That could be anything from 1 to 31 but the fact that Jack was unable to find out the ages, it means there are two or more combinations with the same sum. From the choices above, only two of them are possible now.
2, 6, 6 – sum(2, 6, 6) = 14
3, 3, 8 – sum(3, 3, 8 ) = 14
Since the eldest kid is taking piano lessons, we can eliminate combination 1 since there are two eldest ones. The answer is 3, 3 and 8.
Your Answer
More puzzles to try-
Robots on a line puzle
Two robots are placed at different points on a straight line of infinite length. When they are first placed down, ...Read More »8 Coins puzzle
There are 8 identical coins.One of these coins is counterfeit and is known to be lighter than the genuine coins. ...Read More »Depends on strength
It has many feathers to help it fly. It has a body and head, but it is not alive. This ...Read More »What i like riddle
I like onions but not turnips, I like indigo but not blue, I like forms but not shapes. According to ...Read More »NDA Aptitude- Which number replace the question mark?
Which number replace the question mark?Read More »Take one out and scratch its head
Take one out and scratch my head, I am now black but once was red. What am I?Read More »Picking the larger of two cards
Someone picks, at their will, two cards from a deck of cards. The cards have different numbers, so one is ...Read More »Televisions attract people
Why are televisions attracted to people?Read More »King and Hats famous puzzle
A king wants an advisor and comes to ask the 3 wisest sages. He blindfolds them and put the hats ...Read More »Finding hidden key in kitchen riddle
Key got lost in the kitchen, I shoot a picture for you to help me. Can you?Read More »Can you work out which friend had which coloured boats?
At the local model boat club, four friends were talking about their boats. There were a total of eight boats, ...Read More »Make the Equation
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: ...Read More »Find the odd
Which of the below owl is odd one out?Read More »Parrots and Rabbits puzzle
There are several Parrots and rabbits in a cage. There are 72 heads and 200 feet inside the cage. How ...Read More »Maths Picture Puzzle
Can you solve the maths in the below-given picture equation?Read More »Clock Hands Together
How many times in a given day, minutes, and hour clock comes in a straight line?Read More »Girl’s name Puzzle
One girl was going to the college, one boy asked her name She replied: “20year6month” Can you guess her name ...Read More »Country Name Riddle
Apart from the United States of America, which other country in the world is officially named “United States”?Read More »Getting higher
What never stops getting higher by every second that passes?Read More »Dwarf Brothers
There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is ...Read More »