Can you convert the number zero(0) into a positive number using just one mathematical operator ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

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

Find the value of "?" in the ball picture Riddle below:

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?