What four weights can be used to balance from 1 to 30 pounds?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
How old is your son? asked a man to his neighbour. 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 eighty-first birthday is as old as all of us put together.
How old is the man's son ?
John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?
If a wheel has 54 spokes, how many spaces are there between the spokes?
It is always ahead of me yet I can never see it. What is it?
There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.
How many minimum links will you have to cut to make the big chain?
Decode below rebus
D
N
A
T
S , D
Every words stands for unique digit that makes the arithmetic equation true
SEVEN + SEVEN + SIX = TWENTY.
What are the digits ?
You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.
S E Q U E N C _
Can you count the number of triangles in the given figure?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
