Question
All the six members of a family M, N, O, P, Q and R. N
is the son of O but O is not the mother of N. M and O are a married couple. Q is the brother of O. P is the daughter of M. R is the brother of N. Who is the mother of N?Solution

Select the letter from among the given options that can replace the question mark (?) in the following series.
P, N, J, H, ?
The downstream speed of a boat is 6 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
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( NOTE: Operations should be perfor...
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Select the option in which the numbers are related in the same way as the numbers of the following set.
(25, 18, 225)