1. Cost of 10 calculators and 12 watches is Rs 11,100 What is the cost of 30 calculators and 36 watches ?






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  • By: anil on 05 May 2019 01.26 am
    The cost of 30 calculators and 36 watches is three times the cost of 10 calculators and 12 watches.
    Hence, the required cost equals 11100*3 = Rs. 33,300
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