The radius of the cross-sections of pipes `P_(1)` and `P_(2)` are 7 m and 14 m respectively. Water flows through `P_(1)` at a constant rate of 10 m/s and it can alone fill a tank in 2 hours. If `P_(1)` is used as the inlet pipe and P2 as the outlet pipe then together they fill the tank in 4 hours. What is the rate of water flow (in m/s) through `P_(2)`?

Options

A. a)`1.00`
B. b)`1.25`
C. c)`1.50`
D. d)`2.00`

Answer

B