For making of parachute, which polymeric substance used?

Study the following series carefully and answer the questions based on it.

9 N 5 P 7 Q 7 E 8 G 9 W I 6 A 2 X 4 V 3 O 7 I 8 C

Arrange the following words in a meaningful order.

A. Troposphere        B. Stratosphere            C. Exosphere

In the given arrangement, what is the absolute difference between the first prime number from the left and second even number from the right end?

Arrange the given words in a meaningful and logical sequence.

1- Hospital

2- Happiness

3- Hobby

4- Horse

5- Horizon

Which box contains maximum candies?

I. Box A has candies more than Box C and Box E but not more than Box B and Box D.

Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.

A _ B C _ _ D B _ E _ D _ C __

In the given arrangement, how many such numbers are there which immediately followed by a letter?

What will come in place of question mark(?) in the following series?

 Holding the mouse button down while moving an object or text is known as __