Can you find the missing piece of the Porsche?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

What occurs twice in a week, once in a year but never in a day?

What word is represented by this rebus?

Different lights make me strange by changing me into different sizes. What am I?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?