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?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

What 5-letter word typed in all capital letters can be read the same upside down?

What do you think with the below Picture ?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What word begins and ends with an E, but has only one letter?

Why are televisions attracted to people?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?