1.

If the cost of 4 note books is 80. What would be the cost of 7 note books? 

Answer»

Given the cost of 4 note books = ₹ 80 

Cost of 1 note book = 80 ÷ 4 = ₹ 20 

Cost of 7 note books = ₹ 20 × 7

= ₹ 140



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