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Percentage

The price of raw materials has gone up by 15%, labor cost has also increased from 25% of cost of raw material to 30% of cost of raw material. By how much percentage should re be reduction in usage of raw materials so as to keep cost same?


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This Chapter Percentage consists of the following topics

Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends total Rs. 350 on the rice and wheat per month. If the price of wheat is increased by 20% then what is the percentage reduction of rice consumption for the same expenditure of Rs. 350? Given that the price of rice and consumption of wheat is constant :

The price of raw materials has gone up by 15%, labor cost has also increased from 25% of cost of raw material to 30% of cost of raw material. By how much percentage should re be reduction in usage of raw materials so as to keep cost same?

A sales executive gets 20% bonus of the total sales value and 10% commission besides the bonus on the net profit after charging such commission. If the total sales value be Rs. 10 lakh per annum and the total profit of the company be Rs. 1.32 lakh, then his total earning per annum will be, given that he is not entitled to receive any fixed salary from the company :

The price of raw materials has gone up by 15%

labor cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?

Percentage

Arithmetic-Aptitude