John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

I am quite hot but become too cold if you remove the first two letters. What am I?

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

I am lying and I always lie. Tell me whether I am lying or telling the truth.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What do you answer even though it never asks you questions?

What is full of holes but still holds water?

By what process could you make a 'Tea-Table' into food?

You can see it everyday, But cannot touch it at will. What is it?