A boat covers 45 km downstream in 2 h and the same distance upstream in 10 h. Find the speed (in km/h) of the boat in still water.

What should come in place of '?' in the given series?

24  103  498  2473  12348  ?

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

John: Amman ∷ Qatar:?

Which of the following figures best depicts the relationship among criminals, thieves and judges?

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

Legs : Polio :: Eyes : ?

Assuming the given statement to be true, find which of the following conclusions among given two is/are true.

Statement:

Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.

PTXB

GKOS

HKNQ

MQUY

B's mother is the daughter of F. C is the son of F and D. G is the son of C and E. D is the mother of R. How is F related to G?

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

7 : 393 :: 9 : ?