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

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you identify if it's a murder or a suicide ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

How can a man go eight days without sleep?

What number should come in place of the question mark below?

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?