A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Can you find out which options fits best with the missing column?

Can you identify the hidden rebus in the image below?

What is wrong in the below Picture?

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

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

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

AB * C = DE - F = GH / I

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable