When a person calculated his average expenses from Monday to friday, it was ₹ 400. When he calculated from Monday to Saturday it was ₹ 450.

What was his expenditure on Saturday?

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Solution

Average expenditure for 5 days = ₹ 400

Total expenditure for 5 days = 400 $\times$ 5 = ₹ 2000

Average expenditure for 6 days = ₹ 450

Total expenditure for 5 days = 450 $\times$ 6 = ₹ 2700

$∴$ Expenditure on Saturday = ₹ 2700 - ₹ 2000 = ₹ 700

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When a person calculated his average expenses from Monday to friday, it was ₹ 400. When he calculated from Monday to Saturday it was ₹ 450. What was his expenditure on Saturday?

Average expenditure for 5 days = ₹ 400 Total expenditure for 5 days = 400 × 5 = ₹ 2000 Average expenditure for 6 days = ₹ 450 Total expenditure for 5 days = 450 × 6 = ₹ 2700 ∴ Expenditure on Saturday = ₹ 2700 - ₹ 2000 = ₹ 700

When a person calculated his average expenses from Monday to friday, it was ₹ 400. When he calculated from Monday to Saturday it was ₹ 450.

What was his expenditure on Saturday?

Average expenditure for 5 days = ₹ 400

Total expenditure for 5 days = 400 $\times$ 5 = ₹ 2000

Average expenditure for 6 days = ₹ 450

Total expenditure for 5 days = 450 $\times$ 6 = ₹ 2700

$∴$ Expenditure on Saturday = ₹ 2700 - ₹ 2000 = ₹ 700