What does this rebus riddle means ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Can you make a six-letter word using the letters N, A and B ?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you make four (4) nines (9) equal 100?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

What has to be broken before you can use it?