Can you identify the hidden rebus in the image below?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

How can a man go eight days without sleep?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Find the missing number in the sequence below:

How many triangles can you count in the figure given?

When we see 2 but call 10?