What does this rebus mean?

O
N
C
E
TIME

A man dies of old age on his 25 birthday. How is this possible?

What is the next number in the series?

15 29 56 108 208 ?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

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

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What can you deduce from the following BrainBat?

CRY
LMKI