John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

Replace the question mark with the correct number.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you replace the question mark with the correct number?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?