1.

2. Each question carries 2 marks.4 X2=814. Water is flowing at 7m/s through a circular pipe of internal diameter of 2 cm into acylindrical tank, the radius of whose base is 40 cm. Find the increase in water level in20 minutes​

Answer»

ANSWER:

answer 7×2=14 ANS =14 40×20= 80

Step-by-step EXPLANATION:

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