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

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

What English word has three consecutive double letters?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you name some countries which do not have the alphabet 'A' in them?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?