Which layer of the atmosphere is responsible for most of

In a certain code language, 'BOXER' is written as '251224229'. How will 'PULLY' be written in that language?

Which figure will replace the question mark (?) in the following figure series?

Select the figure that will come in place of the question mark (?) in the following figure series.

i) sitting on the third position on the right side of the F, A is sitting in the second position on the left side.

In a certain code language, ‘PLAY’ is coded as ‘4831’ and ‘CLAY’ is coded as ‘1824’. What is the code for ‘C’ in that language?

Select the option figure, which placed in the blank space of the figure marked ‘X’, would complete the pattern.

Change the question mark with the option that follows the applied logic in the first pair. 

1125 : 18 :: 1356 : ??

A series is given with one term wrong. Select that wrong term from the given alternatives.

PNM, RQQ, TTU, VWZ, XZC

From the given responses, find the missing letter in the series.

AEI, EIO, IOU, ?

An Assertion (A) and a Reason (R) are given below.

Assertion (A): Clothes are not washed properly in hot water.