Question
The speed of a boat in still water is 13 km/hr and the
speed of the stream is 3 km/hr. A man rows to a place at a distance of 80 km and comes back to the starting point. The total time taken by him is:Solution
Rate downstream = (13 + 3) kmph = 16 kmph Rate upstream = (13 – 3) kmph = 10 kmph According to the question, Time = Distance/Speed Hence, Required time = 80/16 + 80/10 = 5 + 8 =13 hours
How many male members are there in the family?
Which of the following is true about K?
If R has only one child and there are four male members in the family then how is the child of R related to Y?
How is M related to L?
How is U related to V?
Which of the following combinations of person is not a married couple?
How is M related to I?
Answer the questions based on the information given below:
There are six members D, E, F, G, H and I in the family of three generations. Each g...
N is married to O. P is the daughter of N, who is the mother-in-law of Q. R is the son of Q. O has only one child. How is O related to Q?
U is the daughter in law of whom among the following