Can you fill the blank with the correct number?

6 30 870 756030 _____

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What has to be broken before you can use 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?

Prove that the below maths equation is true.

8 + 8 = 91

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

Why is the Hole below a Lock?