A boy can swim a certain distance downstream in 6 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still water?
Let the speed of the boy in still water be x kmph. Then, (x + 3) × 6 = (x – 3) × 7 => 6x + 18 = 7x - 21 => x = 39 kmph
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 H?
M’s sister U is the wife of C. T is the son of C. If T’s mother is the only daughter of her parents, then how is T related to M?
If H is mother of E, who is father of B, who is sister of A, whose mother is N’s sister then how is B related to N?
Which of the following statements is definitely true?
How is O related to N’s brother?
Ankit and Mohit are brothers. Shikha and Shweta are sisters. Ankit’s son is Shweta’s brother. How Mohit is related to Shikha?
How is C related to M?
Who among the following person is the granddaughter of H?
If Naresh says, “Suraj’s mother is the only daughter of my mother”, how is Naresh related to Suraj?