What has many keys but can’t open a single lock?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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?

Why are televisions attracted to people?

Why did Buffon take the goal with him after every Juventus match?

Do You See It?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

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?

How many times in a given day, minutes and hour clock comes in a straight line ?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)