6Dec19 morning Q15

0. A person buys 3 items of Rs. 1500 each and 2 items of Rs. 1800 each from a shopping mall. On the total bill a discount of 10% is given. What is the average cost of the items?

Answer
Comment
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Option : B
Explanation :
Total cost of 3 items at the rate of ₹1500 each
= 3 x 1500 = ₹4500
Total cost of 2 items at the rate of ₹1800 each
= 2 x 1800 = ₹3600
Total cost of 5 items = 4500 + 3600 = ₹8100
Discount = 10%
Net cost = 8100 x (100-10)/100 = ₹7290
Average cost of the item = 7290/5 = ₹1458

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