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Of the 20 cycles sold by Ajay, average cost of 12 cycles is Rs. 18000. In total he earned Rs. 300000. What was the average cost of remaining cycles? 

This question was previously asked in
Bihar STET TGT (Science) Official Paper-I (Held On: 08 Sept, 2023 Shift 1)
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  1. Rs. 10500
  2. Rs. 7500
  3. Rs. 9125
  4. Rs. 9750

Answer (Detailed Solution Below)

Option 1 : Rs. 10500
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Detailed Solution

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Given

Total number of cycles = 20

The average cost of 12 cycles is Rs. 18000

Concept used

Average = Total sum/No. of values

Calculation

The total cost of remaining = 300000 - (12 × 18000)

= 300000 - 216000

= 84000

The average of remaining = 84000/8 = 10500

The answer is 10500.

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