When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

What came first, the chicken or the egg?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Why do we preferably have round manhole covers and not square ones?