The graph shows the number of minutes studied by both Swapnil and Satyendra in one week. On an average, how many more minutes per day did Swapnil study more than Satyendra?

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1.428

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None of these

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Solution

The correct option is B 1.428
Difference between Swapnil and Satyendra day wise(Swapnil-Satyendra) -

Monday=-10Tuesday=10 Wednesday=-20Thursday=-30Friday=-20Saturday=40Sunday=40

Therefore, -10 + 10 -20 -30 -20 + 40 + 40 = 10

Average = = 1.428 minutes. Swapnil studied 1.428 more minutes per day than Satyendra.

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