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

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Count the number of triangles in the given picture.

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Bay of Bengal is in which state?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Which alphabet letter is a question?

Can you make four (4) nines (9) equal 100?

How can you drop a raw egg from a height onto a concrete floor without cracking it?