Can you find out the missing number in the grid?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Find the number of squares in the below-given picture.

Can you count the number of triangles inside a triangle?

what does this below rebus represent identXQQQQQME

I have eight fingers and two thumbs but I do not live. What Am I?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.