They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

If Rajina's daughter is my daughter's mom, who am I to Rajina?

You can see three almost identical images below. Can you spot the odd one out from them?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Move four matchsticks to the below square to form three squares?

Can you find the hidden animal in the picture below?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?