Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

What goes up but never comes down?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What does below Rebus say?

XLR8

What is the Surname of Barbie Doll?

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?