Question
What is the ratio of water consumption per consumer in
2014 to the same in 2017? The graph suggests the no. of consumers and usage of water of units in five years. Read the graph and answer the question. Total number of consumers are given in (thousand) and usage of water is given in (lacs).Solution
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If a sum when placed at compound interest grows to Rs.6,400 in 2 yrs and to Rs. 8,000 in 3 yrs, find the rate percent p.a.
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