What does this rebus riddle means ?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

What do you think with the below Picture ?

When it's bad luck to meet a black cat?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?