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

14: 168 :: 21: ?

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

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

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

If 24 @ 6 = 28 and 39 @ 24 = 102, then 22 @ 16 = '?'.

Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.

If 58 # 67 = 82 and 24 # 55 = 33, then 72 # 84 = ?