I have branches, but no fruit, trunk or leaves. What am I?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Why are televisions attracted to people?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What has hands, but can’t clap?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What is the word or phrase?

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?