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 Form 4 Mathematics Paper 1 Exam Revision Questions With Answers Set 2

The diagram below shows a trough which is 4 m long and has a triangular cross-section. All dimensions arc as shown on the diagram.
a) Calculate
I. the cross-sectional area of the trough in square metres.
II. the capacity of the trough in litres.
b) The trough which is initially one third full of water is filled by a pipe which delivers water at the rate of 0.8 litres per second. How long does it take to fill the trough?
c) The trough in (a) above is initially half full of water. Water is added to the trough using a cylindrical bucket of radius 15 cm and height 30 cm. How many bucketful of water must be added in order to fill the trough?

 (6m 36s)
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