If a meaningful English word is formed by using the 1st, 3rd, 6th and 9th letter (from the left end) of the word ‘ PREVENTION ’ then which of the following will be third letter of the word formed from the left end. If more than one such meaningful word is formed mark 'Y' as your answer. If no meaningful word is formed, mark 'Z' as your answer.

Find the question mark?figure from answer figure.

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

Select the figure from among the given options that can replace the question mark (?) in the following series.

Select the figure from among the given options that can replace the question mark in the given series.

Select the figure from among the given options that can replace the question mark (?) in the following series.

Select the figure from the options that can replace the question mark (?) in the following series.

Select the figure from among the given options that can replace the question mark (?) in the following series.

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equations on that basis: