What word does this rebus represent?

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A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

In the four images below, can you find the odd one out?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Can you solve below mathematical equation?

2^1234 - 2^1233

Solve the mathematical equation in the picture below.

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

If 1+9+8=1, what is 2+8+9?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits