Question
A boat can cover 150 km in downstream in 15 hours and
120 km in upstream in 12 hours. Find the distance travelled by the boat in still water in 5 hours.Solution
Downstream speed of the boat = 150/15 = 10 km/hr Upstream speed of the boat = 120/12 = 10 km/hr Speed of boat in still water = (10 + 10)/2 = 10 km/hr Distance travelled by the boat in still water in 5 hours = 10 × 5 = 50 km
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?
How N is related to O?
Anuj is father of Chitra and Dinesh. Anuj is son of Bimla. Ram is brother of Anuj. If Chitra is sister of Dinesh, how is Ram related to Bimla?
How is O related to S?
How is P related to S?
Answer the questions based on the information given below.
Nine persons F, G, H, I, J, K, L, M, and N belong to a family of two generations. No...
Statements : G ≥ K ≤ C < O, T = C ≥ K
Conclusions : I. T > O II. G ≤ O
There are six persons, Z, D, T, H, L and A, in a family. A is the paternal grandmother of Z. T is the sister of L. D is the father of T. Z is the only s...
How is R related to Q?
Sonam introduced a woman in a function, “She is the wife of the only son of my father’s brother’. How is the woman related to Sonam?
Relevant for Exams:
