A shop’s receipts on the first day of the week were Rs. 10,000. On the second day 50% more than this, and on the third day 80% of the sum of the receipts of the first 2 days. What was the average of the receipts during this three day period (in rupees)?
Explanation:
Receipts on 1st day Rs. 10,000.
On 2nd day Rs. 1.5 × 10000 = 15,000
On 3rd day Rs. 0.8 × (10,000 + 15,000) = 20,000
∴ Average receipt would be (10000 + 15000 + 2000)/3 = Rs. 15000
Hence, option (c).
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