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Chandana and ...

Question

Chandana and Venu purchased 12 note books and 10 note books respectively. The cost of each note book is Rs. 15,then how much amount should they pay to the shop keeper ?

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Solution

Chandana purchased $12$ Notebooks
Venu purchased $10$ Notebooks
Cost of each notebook is $15$ Rs.
Total cost $=$ Number of books $\times$ Cost of each book
Total cost pay by chandana $= 12 \times 15 = 180$ Rs.
Total cost pay by venu $= 10 \times 15 = 150$ Rs.
Total pay to shop keeper $= 180 + 150 = 330$ Rs.

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