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

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What goes up but never comes down?

Decode the below four famous ciphers:

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

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

If six children and two dogs were under an umbrella, how come none of them got wet?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Solve the mathematical equation in the picture below.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is the next shape from answers A, B, C, and D figure?