2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What is harder to catch the faster you run?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

How do you go from 98 to 720 using just one letter?

Can you arrange the six given marbles in a manner that each one of them is touching all four marbles of different colours?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

What is the next number?

77, 49, 36, 18 ?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?