Chain Rule Practice Test 2 with solutions

Question : 16 of 40

Marks: +1, -0

The cost of 4 dozen papers is Rs 24. The cost of 1 score of papers (in rupees) is:

Solution:

1 score of papers = 20 papers.
Cost of 4 dozen papers = Rs 24
Cost of 20 papers =

{24}/{4×12}

× 20 = Rs 10

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