Question
The speed of a boat in still water is 6 km/hr more than
that of the current. The time taken by the boat to cover 725 km downstream is 14.5 hours. Find the total time taken by boat to travel 500 km downstream and 45 km upstream.Solution
Therefore, downstream speed of the boat = 725/14.5 = 50 km/hr And, upstream speed of the boat = 6 km/hr Required time taken = (500/50) + (45/6) = 10 + 7.5 = 17.5 hours
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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