The average price of 80 mobile phones in 30000

Asked by admin @ in Math viewed by 309 People

the average price of 80 mobile phones is rs 30000 if the highest and lowest price mobile phones are sold out then the average price of remaining 78 mobile phones is rs 29500 the cost of the highest mo

Answered by admin @


Average price of 80 mobiles is 30000 rs
i.e Sum of price of 80 mobiles=30000*80=2400000 Rs
Average price of 78 mobiles is 29500 rs
i.e Sum of price of 78 mobiles=29500*78=2301000 Rs
The difference between Rs.2400000 and Rs.2301000 is Rs.99000
Rs.99000 is the sum of 2 mobile phones (one is highest priced mobile and another one is lowest priced mobile)
If you subtract the cost of highest priced mobile, you'll get the cost of lowest price mobile (or vice-versa)
The average cost of the two mobiles is Rs.49500

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