Can you start the fire using two pieces of wood?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

Decode below rebus
D
N
A
T
S , D

When it is alive we sing, when it is dead we clap our hands. What is it?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

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?

Why is Saturday stronger than Monday?