Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

How do you go from 98 to 720 using just one letter?

I cannot talk, but I always reply when spoken to. What am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

How can you make number one disappear by adding something to it?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What is at the end of a rainbow?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?