Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Find the next number in the following series:
6, 14, 26, 98, __?

Which digit occurred maximum times between the number 1 and 1000?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What number when divided in half becomes zero?

Can you count the number of triangles inside a triangle?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Why is it against the law for a man living in Delhi to be buried in Mumbai?