1) The price of an article was decreased by 10% and again reduced by 10%. By what per cent should the price have been reduced once, in order to produce the same effect as these two successive reductions?

• (a) 15%
• (b) 19%
• (c) 20%
• (d) 25%

2) The numerator of a fraction is increased by 20% and denominator is decreased by 20%. The value of the fraction becomes 4/5. The original fraction is:

• (a) 2/3
• (b) 8/15
• (c) 7/11
• (d) 4/5

3) The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12%, then the numbers obtained are equal. The smaller number is:

• (a) 280
• (b) 210
• (c) 240
• (d) 300

4) The number of employees working in a farm is increased by 25% and the wages per head are decreased by 25%. If it results in x% decrease in total wages, then the value of x is:

• (a) 0%
• (b) 25%
• (c) 20%
• (d) 25⁴⁄₄%

5) The strength of a school increases and decreases in every alternate year by 10%. It started with increase in 2000. Then the strength of the school in 2003 as compared to that in 2000 was:

• (a) increased by 8.9%
• (b) decreased by 8.9%
• (c) increased by 9.8%
• (d) decreased by 9.8%

6) A number is increased by x%; to get back to the original number, it is to be reduced by:

• (a) x%
• (b) 100x / (100 + x)%
• (c) 10x / (100 + x)%
• (d) x / (100 + x)%

7) 8% of the voters in an election did not cast their votes. In this election, there were only two candidates. The winner by obtaining 48% of the total votes defeated his contestant by 1100 votes. The total number of voters in the election was:

• (a) 21,000
• (b) 23,500
• (c) 22,000
• (d) 27,500

8) In an election there were only two candidates. One of the candidates secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is:

• (a) 745
• (b) 1460
• (c) 1490
• (d) 1500

9) In an assembly election, a candidate got 55% of the total valid votes. 2% of the total votes were declared invalid. If the total number of voters is 104,000, then the number of valid votes polled in favour of the candidate is:

• (a) 56,506
• (b) 56,650
• (c) 56,560
• (d) 56,056

10) Two persons contested an election of Parliament. The winning candidate secured 57% of the total votes polled and won by a majority of 42,000 votes. The number of total votes polled is:

• (a) 5,00,000
• (b) 6,00,000
• (c) 3,00,000
• (d) 4,00,000

11) In an election 10% of the voters on the voters’ list did not cast their votes and 60 voters cast their ballot papers blank. There were only two candidates. The winner was supported by 47% of all the voters in the list and he got 308 votes more than his rival. The number of voters on the list was:

• (a) 3600
• (b) 6200
• (c) 4575
• (d) 6028

12) In an election, a candidate secures 40% of the votes but is defeated by the only other candidate by a majority of 298 votes. Find the total number of votes recorded:

• (a) 1580
• (b) 1490
• (c) 1470
• (d) 1530

13) The value of an equipment depreciates by 20% each year. How much less will the value of the equipment be after 3 years?

• (a) 48.8%
• (b) 51.2%
• (c) 54%
• (d) 60%

14) A district has 64,000 inhabitants. If the population increases at the rate of 2¹⁄₂% per annum, the number of inhabitants at the end of 3 years will be:

• (a) 70,000
• (b) 69,200
• (c) 68,921
• (d) 68,911

15) The value of a property depreciates every year by 10% of its value at the beginning of the year. The present value of the property is ₹8100. What was its value 2 years ago?

• (a) ₹10,000
• (b) ₹(90/100)² × 8100
• (c) ₹(100/110)² × 8100
• (d) ₹9801

16) A man received ₹8,80,000 as his annual salary of the year 2007 which was 10% more than his annual salary in 2006. His annual salary in the year 2006 was:

• (a) ₹4,80,000
• (b) ₹8,00,000
• (c) ₹4,00,000
• (d) ₹8,40,000

17) The value of a machine is ₹6,250. It decreases by 10% during the first year, 20% during the second year and 30% during the third year. What will be the value of the machine after 3 years?

• (a) ₹2,650
• (b) ₹3,050
• (c) ₹3,150
• (d) ₹3,510

18) 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:

• (a) 4000
• (b) 4500
• (c) 5000
• (d) 6000

19) The population of a village was 9800. In a year, with the increase in population of males by 8% and that of females by 5%, the population of the village became 10,458. What was the number of males in the village before increase?

• (a) 4200
• (b) 4410
• (c) 5600
• (d) 6048

20) The population of a town is 9000. If the number of females increases by 5% and the males by 7.5%, what will be the total population after increase? The number of females currently is 3000.

• (a) 9600
• (b) 9200
• (c) 10500
• (d) 9540