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James purchased 3 books for Rs.540 and Robert purchased 5 notebooks for Rs.300. The difference between the cost of 1 book and 1 notebook is __________

  • a)
    Rs.240

  • b)
    Rs.100

  • c)
    Rs.120

  • d)
    Rs.140

Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
James purchased 3 books for Rs.540 and Robert purchased 5 notebooks fo...
Let's calculate the cost of 1 book and 1 notebook.

Given:
James purchased 3 books for Rs.540.
Robert purchased 5 notebooks for Rs.300.

To find:
The difference between the cost of 1 book and 1 notebook.

Solution:
Let's calculate the cost of 1 book.
Cost of 3 books = Rs.540
Therefore, cost of 1 book = Rs.540 / 3 = Rs.180

Now, let's calculate the cost of 1 notebook.
Cost of 5 notebooks = Rs.300
Therefore, cost of 1 notebook = Rs.300 / 5 = Rs.60

The difference between the cost of 1 book and 1 notebook is:
Rs.180 - Rs.60 = Rs.120

Therefore, the correct answer is option C) Rs.120.
Free Test
Community Answer
James purchased 3 books for Rs.540 and Robert purchased 5 notebooks fo...
Cost of 3 books = Rs.540
Cost of 1 book = 540 ÷ 3 = 180
Cost of 5 notebooks = Rs.300
Cost of 1 notebook = 300 ÷ 5 = 60
Difference between the cost of 1 book and 1 notebook = 180 - 60 = 120
Correct option is C
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James purchased 3 books for Rs.540 and Robert purchased 5 notebooks for Rs.300. The difference between the cost of 1 book and 1 notebook is __________a)Rs.240b)Rs.100c)Rs.120d)Rs.140Correct answer is option 'C'. Can you explain this answer?
Question Description
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