Q.1 The cost of 13 CDs is Rs 780. Find the cost of 12 such CDs.
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2
Answer:
Answer:Step-by-step explanation:Cost of 10 CD = ₹220Cost of one CD = 220 ÷ 10 = ₹22Cost of 8 CD = 8 × 22 = ₹176.
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Answer: 1 cd is for 60
12 cd is for 720
Step-by-step explanation:
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