I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Why do we preferably have round manhole covers and not square ones?

Bay of Bengal is in which state?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

What does below Rebus say?

XLR8

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?