I have feet, but no legs. Which animal Am I?

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

You can see it everyday, But cannot touch it at will. What is it?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Find the next number in the series below

21 32 54 87 131 ?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

There is a place where if I stand up straight, I will still be considered sideways.

Which is Odd One Out and why?

4377

3954

9862

8454

9831

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?