Question

if cost of 5 books and 3 pens is Rs.500 if cost of 1 pen is Rs.100 then find the cost of 2 books. *
please don't write unnecessary option
Rs.200

Rs.40

Rs.80

None of these

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Answer 1

Answer:

80 .............,................

Answer 2

Answer: 40 rs

Step-by-step explanation:

cost of 5 books and 3 pens = 500 rs

cost of 1 pen = 100 rs

cost of 3 pens = 300rs

cost of 5 books = 500-300 = 200

cost of 1 book = 200/5 = 40

∴ cost of 1 book = 40 rs