On decreasing the price of washing powder by 30% its sale is increased by 20%. What percentage of change has been observed in the sales?
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Question 14
In a state the number of men are 120 on per 100 women. In the next census, the total population is increased by 5% and the population of women is increased by 10%. The find the percentage increase of the population of men.?
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Question 15
If A is more than B by 25% and B is less than C by 20%, then what is the ratio of C:A?
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Question 16
If the simple interest on Rs 400 for 10 years is Rs 280, the rate of interest per annum is?
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Question 17
One number is 25 % of another number . The larger number is 12 more than the smaller . The larger number is?
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Question 18
The cost price of 25 books is equal to the selling price of 20 books . The profit per cent is?
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Question 19
A shopkeeper marks his goods 40 % above the cost price and allows a discount of 25 % on it . His gain per cent is?
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Question 20
Amit gave 20% and 30% of his income to his younger son sumit and elder son mohan respectively, then he gave 10% of the remaining income to a beggar, and now he has only 10080 rupees. Find his total income.?
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