Q3 of 25 Page 171

The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.

According to the question,


Initial population of the city = 25000


After the decrement in the population,


Final population of the city = 24500


Thus, the decrement in the population = 25000 – 24500


= 500


Hence,


Decrease percentage = × 100 %


= × 100


= × 100


= 2 %


More from this chapter

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1

Tell what is the profit or loss in the following transactions. Also find profit per cent or loss per cent in each case

(a) Gardening shears bought for Rs. 250 and sold for Rs. 325.


(b) A refrigerator bought for Rs. 12,000 and sold at Rs. 13,500.


(c) A cupboard bought for Rs. 2,500 and sold at Rs. 3,000.


(d) A skirt bought for Rs. 250 and sold at Rs. 150.

 2

Convert each part of the ratio to percentage:

(a) 3:1

(b) 2:3:5

(c) 1:4

(d) 1:2:5

 4

Arun bought a car for Rs. 3, 50, 000. The next year, the price went up to Rs. 3,70,000. What was the Percentage of price increase?

 5

I buy a T.V. for Rs. 10,000 and sell it at a profit of 20%. How much money do I get for it?