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Chain Rule Practice Test 1 with solutions
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© examsnet.com
Question : 13
Total: 40
The cost of 15 note books each consisting of 125 pages is Rs 690. What is the cost of 250 notebooks each consisting of 84 pages?
Rs 8,290
Rs 7,562
Rs 7,728
Rs 9,334
None of these
Validate
Solution:
👈: Video Solution
Cost of 15 note books consisting of 125 pages = Rs 690
Cost of 1 note book consisting of 125 pages = Rs
690
15
Cost of 1 note book consisting of 1 page =
690
15
×
126
Cost of 250 note books consisting of 84 pages =
690
×
250
×
84
15
×
125
= Rs 7,728
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