Question
A boat goes 7km an hour in still water, it takes thrice
as much time to go the same distance against the current in comparison to the direction of the current. The speed of the current is (km/h).Solution
Let the speed of the boat in still water =B and speed of stream =S B=6/1=6km/h B+S)B-S 1   (3 (B+S) ×1=(B-S) ×3 B+S=3B-3S 2B=4S S= (2×7)/4=3.5km/h
Eight friends, R, S, T, U, V, W, X and Y are sitting in a line facing north. V is sitting at one of the corners. S is sitting between Y and T. X is sitt...
Which of the following is true?
How is C related to H’s brother?
Seven persons P, Q, R, S, T, U and V sit around a circular table not necessarily in the same order. All of them face inside. V sits third to the left of...
What is the position of R with respect to her grandmother?
How many person sit between tallest person and shortest person?
How many persons are seated in a table (Including unknown persons)?
What is the position of F with respect to H?
Who is third to the left of S?
Who sits fourth to the left of G?
