Practicing Success
Practicing Success
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The cost of a notebook increases in proportion to the number of pages in it. A notebook having 100 pages costs ₹20. Find the cost of a notebook having 400 pages. |
₹60 ₹50 ₹80 ₹40 |
₹80 |
The cost of a notebook of 100 pages = 20. So 100 pages = 20 1 page = \(\frac{20}{100}\) Cost of a notebook having 400 pages = \(\frac{20}{100}\) × 400 = 80 |
