The silk fibres are held together in cocoon by a

If 38 × 34 = 31, 34 × 58 = 25 and 56 × 67 = 43, then 28 × 32 = ?

Select the related word from the given alternatives.

Pilot : Airplane :: Captain : ?

Select the number -pair from the given options that shares a similar relationship as the given number-pair.

192-108

NOTEBOOK : ONETOBKO  ::  REGISTER?

Four letter-clusters are given out of which three are alike in some manner and one is different. Select the odd-one out

Select the option that is related to the third number in the same way as the second number is related to the first number:

67: 871:: 57:?

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

Fragile : Delicate :: Abundant : ?

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