Question
A man can row one quarters of a kilometer against the
stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:Solution
Distance covered upstream in 30/4 minutes = 1/4 Km Distance covered upstream in 1 hour = 1/4× 4/30× 60 = 2 km/hr Distance covered downstream in 5/2 minutes = 1/4 km Distance covered downstream in 1 hour = 1/4 × 2/5× 60 = 6 km/hr Speed of the man in still water = 1/2(2 + 6) = 4 km/hr
Which of the following indicates that ‘D is grandmother of T’?
P, F’s father, has a grandchild, Vartika is the mother of K who has a son N, but K is not the daughter. K has a brother. Vartika and P are married...
P, L, T, B, N and D are six members of a business family. N is the son of B, who is not the mother of N. L is the brother of B. D and B are a married co...
Statements : G ≥ K ≤ C < O, T = C ≥ K
Conclusions : I. T > O II. G ≤ O
- Anjana and Sunanya are the only daughters of Mahesh. Sunanya’s grandmother is wife of Farhan who is father of Arpita. Arpita has a son Kaalu. How is Farh...
In a family of six person, D is mother of L. M is son of E and L is brother of M. K is sister in law of G, who is married to M. There are three married ...
Which of the following is definitely true?
Which among the following option(s) is/are definitely true?
_____ is the father of _____.
I. V, U
II. P, Q
III. U, T
There are seven persons, S, T, U, V, W, Y and Z in a family of three generations. S is the grandfather of U. U is married to Y. Y is daughter-in-law of ...
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