Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Can you find out the total number of triangles in the given figure?

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

what does this below rebus represent identXQQQQQME

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

Which is faster, Heat or Cold ? Explain.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you place six X (crosses) in below board without making three in a row in any way ?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135