Question

Percentage
In mathematics, a percentage is a number or ratio expressed as a fraction of 100.
It is often denoted using the percent sign, "%", or the abbreviations "pct.", "pct";
sometimes the abbreviation "pc" is also used. A percentage is a dimensionless number
(pure number). For example 0.35 is equivalent to 35%.
A percent is a ratio whose second term is 100. Percent means parts per hundred.
The word comes from the Latin phrase per centum, which means per hundred.
In mathematics, we use the symbol % for percent.
If y is 25% less than X, what percent more then Y?
a) 25 %
b) 33.33%
c) 16%
d) 22.22%
2. In June baseball team that played 60 games had won 30% if its games played. After
phenomenal winning streak this team raised its average to 50%. How many games must
the term have won in a row to attain this average ?
a) 12
b) 20
c) 24
d) 30
3. If the length of a rectangle is increased by 20% and the width of the same rectangle is
decreased by 20% then the area of the rectangle?
a) Decreased by 20%
b) Decreased by 4%
c) Unchanged
d) Increased by 40%
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Answer 1

Answer:

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