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
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?
C.
Let boys be x.
Girls = z - x
Girls composition in a class =