1.In a town, the population was 8000. In one year, male population increased by 10% and female population increased by 8% but the total population increased by 9%. The number of males in the town was :
2.In an examination, there were 1000 boys and 800 girls. 60% of the boys and 50% of the girls passed. Find the percent of the candidates failed?
3.If A exceeds B by 40%, B is less than C by 20%, then A : C is :
(1) 28 : 25
(2) 26 : 25
4.Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change?
5.In a school 70% of the students are girls. The number of boys are 510. Then the total number of students in the school is :
6.Applied to a bill for Rs. 1,00,000 the difference between a discount of 40% and two successive discounts of 36% and 4% is :
(2) Rs. 1,440
(3) Rs. 2,500
(4) Rs. 4,000
7.A tradesman marks his goods 10% above his cost price. If he allows his customers 10% discount on the marked price, how much profit or loss does he make, if any?
(1) 1% gain
(2) 1% loss
(3) 5% gain
(4) No gain, no loss
8.The angles of a pentagon are in the ratio 1 : 2: 3: 5: 9, the largest angle is :
9.An agent gets a commission of 2.5% on the sales of cloth. If on a certain day, he gets Rs. 12.50 as commission, the cloth sold through him on that day is worth :
(1) Rs. 250
(2) Rs. 500
(3) Rs. 750
(4) Rs. 1,250
10.A sum of money doubles itself at compound interest in 15 years. In how many years it will become eight times?
Answers with explanation !!!!!!!!!!
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