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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

It is always ahead of me yet I can never see it. What is it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What runs around the whole yard without moving?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

I have eight fingers and two thumbs but I do not live. What Am I?