What's the best place to go shopping in the ocean?

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

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

I am sure no one can have two things for dinner. what are they?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

If 1+9+8=1, what is 2+8+9?

Can you count the number of blocks in the picture below?

You see me once in June, twice in November, and not at all in May. What am I?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?