Question
Boat speed in still water = 12 km/h, stream speed = 3
km/h. Time to go 30 km downstream and return 30 km upstream?Solution
ATQ, Downstream speed = 15 => time = 30/15 = 2 h Upstream speed = 9 => time = 30/9 = 10/3 h Total = 2 + 10/3 = 16/3 h = 5 h 20 min Answer: 5 h 20 min
How many female members are there in the family?
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...
Answer the questions based on the information given below.
There are seven persons F, G, H, I, J, K and L in a family of three generations. The...
Four of the following five are alike in a certain way based on a group, which among the following does not belong to that group?
R's brother T, is the grandfather of V's son. How is T related to V if V has no siblings?
How is B related to C?
A and B are brothers. C and D are sisters. A’s daughter is C’s sister. What is B’s relation to D?
How is E related to H?
If expression ‘F % G # H $ I & J’ is true, then how is mother in law of J related to V, who is unmarried maternal uncle of H?
How is Q related to R?
Relevant for Exams:
