Mathematical Puzzle

A man asked his neighbour’s son age. He replied in a mathematical way. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eightyfirst birthday is as old as all of us put together.
How old is the man’s son?
View SolutionSubmit Solution 19.5K views
 1 answers
 0 votes

What two whole, positive numbers that have a onedigit answer when multiplied and a twodigit answer when added?
View SolutionSubmit Solution 32.8K views
 2 answers
 0 votes

What must you do to make the below equation true :
81 x 9 = 801View SolutionSubmit Solution 34.8K views
 2 answers
 0 votes

 39.7K views
 1 answers
 1 votes

A numeric lock has a 3 digit key
HINT
A. 6 8 2 – One Number is correct and well placed
B. 6 1 4 – One Number is correct but wrong place
C. 2 0 6 – Two Numbers are correct but Wrong Places
D. 7 3 8 – Nothing is correct
E. 8 7 0 – One Number is correct but wrong placeView SolutionSubmit Solution 45.2K views
 5 answers
 0 votes

All of Mrs. John pets are dogs except one, and all her pets are cats except one. How many cats and dogs does she have?
View SolutionSubmit Solution 47.3K views
 1 answers
 0 votes

How do we measure fortyfive minutes using two identical wires, each of which takes an hour to burn? We have matchsticks with us. The wires burn nonuniformly. So, for example, the two halves of wire might burn in 10 minutes and 50 minutes respectively
View SolutionSubmit Solution 52.4K views
 1 answers
 0 votes