Saved Bookmarks
| 1. |
If price of sugar is increased by 20% Abhishek reduced his consumption by 1 kg so its overall expenditureincrease 10% only. If total expenditure is 660. Then find the increased rate per kg. |
|
Answer» Given : price of sugar is INCREASED by 20% Abhishek reduced his CONSUMPTION by 1 kg so its overall expenditure INCREASE 10% only. total expenditure is 660. To find : the increased rate PER kg. Solution: total expenditure is 660. Rs Consumption = C kg price of sugar = 660/C Rs per kg price of sugar is increased by 20% => New price = (660/C) (1 + 20/100) = 792/C Rs per kg Abhishek reduced his consumption by 1 kg Consumption = C-1 kg overall expenditure increase 10% only New expenditure = 660 + (10/100)660 = 726 (792/C)(C - 1) = 726 => 792 - 792/C = 726 => 792/C = 66
New price = 66 Rs per kg increased rate per kg. = 66 Rs per kg Additional info old price = Rs 55 per kg , consumption = 12 kg expenditure = 660 Rs increased price = Rs 66 per kg consumption = 11 kg expenditure = 726 Rs Learn More: cost of 1 kg of right increased by 25% radha reduced his monthly ... the price of sugar is decrease by 25% and due to this,a family ... |
|