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Question

Cost of 10 mangoes is Rs. 100. The cost of 18 mangoes is__
  1. Rs. 18
  2. Rs. 108
  3. Rs. 200
  4. Rs. 180

A
Rs. 108
B
Rs. 200
C
Rs. 18
D
Rs. 180
Solution
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The correct option is D Rs. 180
Here, the cost of mangoes is directly proportional to the number of mangoes bought.

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