The price of an article is decreased by 10%. To restore it to its former value, the new price must be increased by
10%
11%
11%
A Number is increased by 20%. To get back to the original number, the increased number is to be reduced by
20%
21%
A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the original number before the flood?
1000
10000
1,00,000
1,00,000
A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is
75.5%
76%
76.5%
76.5%
An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was
1500000
1000000
1200000
1200000
B.
1000000
Initial number of soldiers in the army = x
According to the question,
From 1980 - 1990, the population of a country increased by 20%.
From 1990 - 2000, the population of the country increased by 20%.
From 2000 - 2010, the population of the country increased by 20%.
Then the overall increased population (in percentage) of the country from 1980 -2010 was
72.2 %
60 %
72.8 %
72.8 %
Two years ago, the value of my motorbike was ₹ 62500. If the value depreciates by 4% every year, now its value is
₹ 56700
₹ 57600
₹ 57500
₹ 57500
The number that is to be added to 10% of 320 to have the sum as 30% of 230 is
37
32
23
23
The strength of a school increases and decreases by 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
increased by 8.9%
decreased by 8.9%
increased by 9.8%
increased by 9.8%
In a class there are'z' students. Out of them 'x' are boys. What part of the class is composed of girls?