What does does this rebus picture means ?

What can you see in the middle of March and April that you can never see in any other month?

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 triangles are there on the puzzle below?

Who are the happiest people in IPL match?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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 is more useful when it is broken?

Who is that with a neck and no head, two arms and no hands? What is it?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?