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What is the cost of painting a hall whose area is 729 sq metres if the rate of painting per square metre is Rs. 28?
The average weight of 45 students in a class was calculated as 36 kg. It was later found that the weight of two students in the class was wrongly calculated. The actual weight of one of the boys in the class was 32 kg., but it was calculated as 34 kg. and the weight of another boy in the class was 45 kg., whereas it was calculated as 40 kg. What is the actual average weight of the 45 students in the class?(Rounded off to two-digits after decimal)
A boat goes 20 km downstream in one hour and the same distance upstream in two hours. The speed of the boat in still water is
The difference between the simple interest and the Compound Interest at the rate of 12% p.a on Rs 5,000 for 2 yrs will be
1 docs|48 tests
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1 docs|48 tests
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