As puzzles are asked by interviewers in the process of recruitment ( to solve a problem – to check your thinking skills and many more…) ,i thought of writing few puzzles in weekly basis .Puzzles help you to analyse the problem and find a correct answer.It can be hobby to many of us to solve the puzzles in our free time I’m.one of them.I would recommend to you all read and solve the puzzle books by Great Mathematician, Mathemagician- Shakuntala Devi.
Brothers and Sisters
A family I know has several children .Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters.
How many brothers and sisters are there ?
Supposing a clock takes 7 seconds to strike 7. How long will the same clock take to strike 10?
This peculiar Number is three times the sum of its digits . Can you find the number ?
There is a number , the second digit of which is smaller than its first digit by 4, and if the number was divided by the digits sum , the quotient would be 7. Find the number.
A fraction has the denominator greater than its numerator by 6. But if you add 8 to the denominator, the value of the fraction would then become 1/3. Find the original Fraction.
Ancient Lilavati Problem
A beautiful maiden ,with beaming eyes,asks me which is the number that,multiplied by 3 , then increased by three-fourths of the product ,divided by 7,diminished by one -third of the quotient, multiplied by 52, the square root found,addition of 8 ,division by 10 gives the number 2 ? .Help me in finding the number .
The problem 31.
Can you write 31 using only digit 3 five times ?