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The given table shows the number of electric bulbs sold in a shop during a week:

Days Monday Tuesday Wednesday Thursday Friday Saturday
Number of bulbs sold 25 100 150 200 75

90


on which day was the daily sale closest to the average sale for the week?


1. Friday
2. Saturday
3. Thursday
4. Tuesday

1 Answer

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Best answer
Correct Answer - Option 4 : Tuesday

Calculation:

Number of electric bulbs sold on Monday = 25

Number of electric bulbs sold on Tuesday = 100

Number of electric bulbs sold on Wednesday = 150

Number of electric bulbs sold on Thursday = 200

Number of electric bulbs sold on Friday = 75

Number of electric bulbs sold on Saturday = 90

Total number of electric bulbs sold in a shop during a week = (25 + 100 + 150 + 200 + 75 + 90)

⇒ 640

Average sale of the week = 640/6

⇒ 106.66 ≈ 100

∴ The daily sale closest to the average sale for the week is Tuesday

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