Which wheel of car does not rotate when you turn your car right?

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

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??