Which of the following environment events is observed by

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row: 14, 17, 40

Find the missing letter.

Study the given matric carefully and select the number from among the given options that can replace the question mark (?) in it.

Find the missing number.

Find the missing number. 

In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Study the given matrix carefully and select the number from among the given options that can replace the question mark (?) in it.

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

 First row: 84, 42, 49