Which is the rope you never skip with?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

The more of this there is, the less you see. What is it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Using Only Five 5's and any mathematical operator make sum as 37

What English word has three consecutive double letters?

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?

What is wrong in the below Picture?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

I have Rs.50 and I spend it in the way as below.