0.1 and   $${5\over 8}$$ of a bamboo are in mud and water respectively and the rest of length 2.75 m is above water. What is the length of the bamboo? 

Direction : What should come in place of the question (?) in the following question.

8424÷ 135 ×6=?

The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :

Direction : What should come in place of the question (?) in the following question.

$$ {2\over3}$$ of $${3\over4}$$of $${5\over8}$$ of 480=?

In an examination, a student was asked to find 3/11 of a certain number, by mistake, he found 3/4 of it. His answer was 315 more than the correct answer. The given number is –

What value will come in place of question mark (?) in the questions given below?

88 × 25 ÷ 4 + 6³ = ?

There are 11 members in a family out of which there are 4 males and remaining females. The family has hired three cars for a trip to zoo. The members are to be seated in the cars in such a way that there are not more than four members in one car and there is at least one male in each car. How many different ways can the members travel?

If * means adding 6 times the second number to the first number then ( 1 * 2 ) *   3 equals :