Question

SECTION -D
23. Two water taps together can fill a tank in
7
1 hours. The tap with longer diameter takes
y
31
2 hours less than the tap with smaller one to
fill the tank separately. Find the time in which
each tap can fill the tank separately.
OR
A boat goes 30 km upstream and 44 km
downstream in 10 hours. In 13 hours, it can
go 40 km upstream and 55 km downstream.
Determine the speed of the stream and that
of the boat in still water.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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