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

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Which tank will fill first?

What do you see in the image below

Can you Find and name the hidden bird in the picture below ?

What goes up but never comes down?

What has many keys but can’t open a single lock?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?