Rate downstream = (15 + 6) kmph = 21 kmph Rate upstream = (15 – 6) kmph = 9 kmph According to the question, Time = Distance/Speed Hence, Required time = 63/21 + 63/9 = 3 + 7 = 10 hours
How is E related to B?
How is uncle of S related to N?
I. B is the brother of C.
II. D is the daughter of C.
III. L is the sister of B
IV. H is the mother of D.
How L is r...
Which of the following shows that R is the granddaughter of T ?
How is L related to N?
A’s mother is the mother – in – law of father of C. C is brother of B while A is father of M. How is A related to C?
How is B related to M?
How is U related to A?
How is C related to E?
How is E related to H?