Percentage Worksheet-5

Percentage Worksheet-5

If inflation increases at a rate of 8% p.a., what will a Rs. 20 article cost at the end of two years?

(a) Between Rs. 20 and Rs. 21

(b) Between Rs. 21 and Rs. 22

(d) Between Rs. 23 and Rs. 24

The population of a town was 1,60,000 three years ago. If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population is:

(a) 1,77,000 (b) 1,77,366 (c) 1,77,461 (d) 1,77,596

The population of a town 2 years ago was 62,500. Due to migration to big cities, it decreases every year at the rate of 4%. The present population- of the town is:

(a) 56,700 (b) 57,600 (c) 58,800 (d) 60,000

Depreciation applicable to an equipment is 20%. The value of the equipment 3 years from now will be less by:

(a) 45% (b) 48.8% (c) 51.2% (d) 60%

The population of a town increases by 5% annually. If its population in 2001 was 1,38,915, what it was in 1998?

(a) 1,00,000 (b) 1,08,000 (c) 1,10,000 (d) 1,20,000

The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8748, its purchase price was:

(a) Rs. 10,000 (b) Rs. 11,372

In the month of January, the Railway Police caught 4000 ticketless travellers. In February, the number rose by 5%. However, due to constant vigil by the Police and the Railway staff, the number reduced by 5% and in April it further reduced by 10%. The total number of ticketless travellers caught in the month of April was:

(a) 3125 (b) 3255 (c) 3575 (d) 3591

The population of a variety of tiny bush in an experimental field increased by 10% in the first year, increased by 8% in the second year but decreased by 10% in the third year. If the present number of bushes in the experimental field is 26730, then the number of bushes in the beginning was:

(a) 25000 (b) 27000 (c) 28000 (d) 24600

The production of a company has ups and downs every year. The production increases for two consecutive years consistently by 15% and in the third year it decreases by 10%. Again in the next two years it increases by 15% each year and decreases by 10% in the third year. If we start counting from the year 1998, approximately what will be the effect on production of the company in 2002?

(a) 27% increase (b) 32% increase

(e) 52% increase

The present population of a country estimated to be 10 crores is expected to increase to 13.31 crores during the next three years. The uniform rate of growth is:

(a) 8% (b) 10% (c) 12.7% (d) 15%

A building worth Rs. 1,33,100 is constructed on land worth Rs. 72,900. After how many years will the value of both be the same if land appreciates at 10% p.a. and building depreciates at 10% p.a.?

(a) (b) 2 (c) (d) 3

The population of a town increases 4% annually but is decreased by emigration annually to the extent of (1/2)%. What will be the increase percent in 3 years?

(a) 9.8 (b) 10 (c) 10.5 (d) 10.8

The current birth rate per thousand is 32, whereas corresponding death rate is 11 per thousand. The net growth rate in terms of population increase in percent is given by:

(a) 0.0021% (b) 0.021% (c) 2.1% (d) 21%

The total population of a village is 5000. The number of males and females increases by 10% and 15% respectively and consequently the population of the village becomes 5600. What was the number of males in the village?

(a) 2000 (b) 2500 (c) 3000 (d) 4000

(a) 75% (b) 80% (c) 90% (d) 96%

Answer Key:

(1)-d; (2)-b; (3)-b; (4)-b; (5)-d; (6)-c; (7)-d; (8)-a; (9)-c; (10)-b; (11)-d; (12)-d; (13)-c; (14)-c; (15)-b