Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

who is silent in the parliament?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Can you identify the famous TV character from the rebus below?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?