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Rashmi obtains 480 marks out of 600. Rajan obtains 560 marks out of 700. Whose performance is better?
Find the mean proportional between 9 and 16.
Convert each of the following into the decimal form:
(а) 25.2%
(b) 0.15%
(c) 25%
If 25 men can do a work in 36 hours, find the number of men required to do the same work in 108 hours.