I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What you cannot hold but it is yours?

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?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Can you identify if it's a murder or a suicide ?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Can you place six X (crosses) in below board without making three in a row in any way ?