Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

I have branches, but no fruit, trunk or leaves. What am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Can you find out who is the kidnapper in below Picture and why, Explain ?

What does this Rebus Picture mean?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'