A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

The current time can be represented by below textual rebus.

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B.Sc
LLB

Can you tell us the current time?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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

Why is the Hole below a Lock?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Can you find out the remainder when 3^300 is divided by 5?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.