Select the figure that will come next in the following figure series.

Figure A is related to B following a certain pattern. Following the same pattern, figure C is related to D. Study the pattern and select the figure which should be placed in place of D.

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row?

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

Which letter-cluster will replace the question mark (?) to complete the given series?

AYD, BVF, DRH, ?, KGL

Select the option that is related to the fifth word in the same way as the second word is related to the first word and the fourth word is related to the third word. 

Pitch : Cricket :: Court : Badminton :: Ring : ?

Directions: A statement is given followed by two inferences I and II. You have to consider the statement to be true even if it seems to be at variance with commonly known facts. You have to decide which of the given inferences, if any, follow from the given statement.

Statement:
 Extensive use of pesticides in agricultural production contaminates soil and water, remain in the crops and finally enter food chain, thereby posing threat to the human beings.

Inference:
I. Excessive use of pesticides in agricultural production is not good for people.
II. Excessive use of pesticides in agricultural production can have a bad effect on water.

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the 8 statement(s).
Statement: Sound is produced when something. Vibrates. The vibrating body causes the medium around it to vibrate.
Conclusions:
I. By medium, they mean only Air.
II. Sound is produced by vibration.