If ‘+’ stands for ‘division’; ‘×’ stands for ‘addition’; ‘–’ stands for ‘multiplication’; ‘÷’ stands for ‘subtraction’, which of the following equations is correct?

If 51 @ 24 = 9' and 56 @ 22 = 8', then 72 @ 32 = ?'. What will come in place of question mark?

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

Select the option that is related to the third term in the same way as the second term is related to the first term.

ZYGOTE : ZYTOGE :: SEQUENCE : ?

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

36 : 216 :: 43 : ?

If 43 # 24 = 20 and 35 # 15 = 20, then 48 # 33 = ?

11 : 132 : : 17 : ?

Select the combination of letter when placed sequentially in the blanks of the given series will complete the series.