Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

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?

What is more useful when it is broken?

How do you go from 98 to 720 using just one letter?

Find the next number in the series.
1 10 24 43 67 ?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Find the smallest sentence with all the English alphabet.

Which Travels Faster? Solve below famous picture riddle:

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?