Replace the question mark with the correct number.

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Imagine you are in a room with no windows or doors. How will you get out?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

what does this below rebus represent identXQQQQQME

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

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.