Speed of downstream = D/T = 30 × (60/45) = 40 km/hr The ratio of the speed of the boat in still water to the speed of the stream = 5: 3 (5x, 3x) => 8x = 40 => x = 5 Speed of upstream = 5x – 3x = 2x = 10 km/hr Distance = 25 km Time = D/S = 25/10 = 2(1/2) hr = 2 hour 30 min
There are 6 members in a family. There are two married couples. A is the daughter of K whose mother is R. R is married to J but K is not the daughter of...
How is O related to S?
How is P related to M?
How is P related to O?
How is C related to M?
Ajit and Binit are brothers and Chameli and Dhameli are sisters. Ajit’s son is Dhameli’s brother. How is Binit related to Chameli?
Pointing to a photograph of Pankaj, Tarun said. "The mother of his sister is the wife of my wife's father". How is Tarun related to Pankaj?
How many male members are there in the family?
W is the son of S. V is the son of T. W is married to U. U is T’s daughter. How is V related to W?
In a family of seven persons, U is married to mother-in-law of T. T has two children. W is father of V and Y. Z is mother of S, who is aunt of V. If Y a...