John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

I don't get anymore wetter, no matter how much rain falls on me.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Count the number of triangles in the picture below:

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?