The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Find the number of squares in the below picture

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

Can you spot the man between the coffee bean in the picture below ?

Find the missing number in the series below

13 -21 34 -55 ? -144

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??