Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Can you solve below mathematical equation?

2^1234 - 2^1233

Solve the mathematical equation in the picture below.

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Using Only Five 5's and any mathematical operator make sum as 37

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?