A) 0.5
B) 2
C) 2.5
D) 2.75
Correct Answer: B
Solution :
[b] Let rate of stream = x kmph \[\therefore\] \[\frac{20}{8+x}=\frac{12}{8-x}\] 160 ? 20x = 36 + 12x 64 = 32x x = 2 \[\therefore\] Rate of stream = 2 kmphYou need to login to perform this action.
You will be redirected in
3 sec