Percentage

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The length, breadth and height of a cuboid are in the ratio 1 : 2 : 3. If they are increased by 100%, 200% and 200% respectively, then, compared to the original volume the increase in the volume of the cuboid will be….
5 times
no
18 times
no
12 times
no
17 times
yes
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If each side of a rectangle is increased by 50%, its area will be increased by..…
50%
no
125%
yes
100%
no
250%
no
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If the sides of an equilateral triangle are increased by 20%, 30% and 50% respectively to form a new triangle, the increase in the perimeter of the equilateral triangle is….
25%
no
33.3%
yes
75%
no
100%
no
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The school result is increasing year after year. Forecast the result of 2012 from the following information.
Year 2006 2007 2008 2009 2010 2011 2012
Result 34.25% 36.75% 39.75% 43.25% 47.25% 51.75% ?
51.75%
no
56.75%
yes
48.00%
no
57.25%
no
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When the price of an article was reduced by 20% its sale increased by 80%. What was the net effect on the sale?
44% increase
yes
44% decrease
no
66% increase
no
66% decrease
no
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Rama’s expenditures and savings are in the ratio 5 : 3. If her income increases by 12% and expenditure by 15%, then by how much percent do her savings increase?
12
no
7
yes
8
no
13
no
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B got 20% marks less than A. What per cent marks did A got more than B?
20
no
25
yes
12
no
80
no
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B got 20% marks less than A. What per cent marks did A got more than B?
20
no
25
yes
12
no
80
no
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The time duration of 1 hour 45 minutes is what percent of a day?
7.218
no
7.291
yes
8.3
no
8.24
no
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The price of sugar goes up by 20%. If a housewife wants the expenses on sugar to remain the same, she should reduce the consumption by….
15 1/5%
no
16 2/3%
yes
20%
no
25%
no
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