What four weights can be used to balance from 1 to 30 pounds?

Count the number of squares in the picture below.

How many letters are in the alphabet?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

O_er_t_o_

Complete the missing letters of the given word.