exam
Maths Puzzle
Numerical Ability
(((8m^3-27)))
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exam Other Question
If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still water respectively are ?
find the shortest distance between the parallel lines with equations 5x-12y+33=0 and 5x-12y-6=0
A.3
B.39
c.27/5
D.27/13
E.n/a