The element used for making solar cells

Select the related word/letters/number from the given alternatives.

AC : ZX :: GJ : (?)

Select the related word/letters/number from the given alternatives.

GZO : LAT : : SVO : LEH : : NVE : ?

Select the set of numbers that is similar to the following set:

(23, 7, 24)

Identify the number, which when added to itself 18 times gives 836.

A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

KMN, OQR, SUV, WYZ, ____.

A statement is given followed by two courses of action I and II. Analyse the given situation and select the appropriate course of action.

If 23 @ 18 = 9 and 29 @ 24 = 21', then 24 @ 19 = ?'. What will come in place of question mark?

Select the option that is related to third letter- cluster in the same way as the second – letter cluster is related to the first letter- cluster.