How can you make number one disappear by adding something to it?

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?

Complete the table series riddle by finding the number that can replace "??".

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

what's the probability of getting a king or a queen from a pack of 52 cards?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Our product and our sum always give the same answer. Who are we?