What is the next number in the series?

15 29 56 108 208 ?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The more you take me, the more you leave me behind.
Who Am I?

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

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Decode below rebus
D
N
A
T
S , D

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?