If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Can you identify if it's a murder or a suicide ?

Can you count the number of matches in the picture below ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Which is the smallest number that you can write using all the vowels exactly once?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

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?