What number comes next in this sequence:
7 8 5 5 3 4 4 _

What is more useful when it is broken?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Before Mount Everest was discovered, what was the highest mountain in the world?

You can hear me, but you can't touch or see me.

What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?