Consumer price index for May 2008 was 110. The food index was 100 and that of other items 150. Percentage of the total weight given to food is .
A
50
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B
60
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C
80
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D
70
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Solution
The correct option is C 80 Let the weight given to food be f percent. Weight given to other items = (100 – f) percent. Therefore,100f+150(100-f)=110×10050f = 40 ×100f =80