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The average cost of 4 items in a shopping list is Rs. 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in Rs.)? 

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The average cost of 4 items in a shopping list is Rs. 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in Rs.)? 


1). 1100
2). 1500
3). 1400
4). 1250


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1 answers

2 vote
Answered by on | Votes 2 |

Total cost of 4 items = 4 × 1250 = Rs. 5000

Total cost of 5 items = 5000 + 2000 = Rs. 7000

∴ New average = 7000/5 = Rs. 1400

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