Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What has no start, end, or centre?

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

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?