If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

I am quite hot but become too cold if you remove the first two letters. What am I?

what does the below rebus means?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

What is always in front of you but can’t be seen?

How can you make number one disappear by adding something to it?