Rahul earned Rs.4000 per month. From the last month his income increased by 8 $%$ . Due to rise in prices, his expenditures also increased by 12 $%$ and his savings decreased by 4 $%$ . Find his increased expenditure.

Rs 2580

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Rs 3360

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Rs 2870

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Rs 2790

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None of these

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Solution

The correct option is B
Rs 3360

$Therefore, expenditure : savings = 12 : 4 = 3 : 1 ∴ Expenditure = \frac{4000}{4} \times 3 = Rs. 3000 And saving = 4000 - 3000 = Rs.1000 Now, increased expenditure = 3000 (\frac{112}{100}) = Rs. 3360$

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Rahul earned Rs.4000 per month. From the last month his income increased by 8%. Due to rise in prices, his expenditures also increased by 12% and his savings decreased by 4%. Find his increased expenditure.

The correct option is B Rs 3360 Therefore, expenditure : savings=12:4=3:1∴Expenditure=40004×3=Rs. 3000And saving=4000−3000=Rs.1000Now, increased expenditure=3000(112100)=Rs. 3360

Rahul earned Rs.4000 per month. From the last month his income increased by 8 $%$ . Due to rise in prices, his expenditures also increased by 12 $%$ and his savings decreased by 4 $%$ . Find his increased expenditure.

The correct option is B
Rs 3360

$Therefore, expenditure : savings = 12 : 4 = 3 : 1 ∴ Expenditure = \frac{4000}{4} \times 3 = Rs. 3000 And saving = 4000 - 3000 = Rs.1000 Now, increased expenditure = 3000 (\frac{112}{100}) = Rs. 3360$