Question
A motorboat in still water travels at a speed of 25
km/hr. It goes 35 km upstream in 1 hours 45 minutes. The time taken by it to cover the same distance down the stream will be :Solution
Speed of the motorboat upstream = 35/(7/4) = 20 km/hr Let the speed of the current be x km/hr ⇒ 25 – x = 20 ⇒ x = 5 km/hr Speed of motor boat downstream = 25 + 5 = 30 km/hr Time taken to cover 35 km at 30 km/hr = 35/30 = 1 hour 10 minutes
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 ...
Relevant for Exams:
