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?

Which wheel of car does not rotate when you turn your car right?

Find the next number in the series below

21 32 54 87 131 ?

By what process could you make a 'Tea-Table' into food?

Why is the Hole below a Lock?

Do you know who was buried in John's tomb?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?