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?
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#  Quiz 

1
Discuss

Half percent, written as a decimal, is
Solution 
2
Discuss

The ratio 5 : 4 expressed as a percent equals :
Solution5 : 4 = 5/4 = ( (5/4) x 100 )% = 125%. 
3
Discuss

The population of village is 1,00,000. The rate of increase is 10% per annum. Find the population at the start of the third year?
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4
Discuss

Vicky's salary is 75% more than Ashu's. Vicky got a raise of 40% on his salary while Ashu got a raise of 25% on his salary. By what percent is Vicky's salary more than Ashu's?
Solution 
5
Discuss

The cost of a car is 400% greater than the cost of a bike. If there is an increase in the cost of the car is 15% and that of bike 20%. Then the total increase in the cost of the 5 cars and 10 bikes is:
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6
Discuss

The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?
Solution 
7
Discuss

An alloy contains the copper and aluminum in the ratio of 7 : 4 While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminum in the weapon, then weight of the alloy required is :
Solution 
8
Discuss

Every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did hi start with on the first day ?
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9
Discuss

What percent is 3% of 5% ?
Solution 
10
Discuss

express 62.5% as a fraction
Solution 
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