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The difference between 20% of a number and 4/5 th of the same number is 2499. What is 2/7 th of that number ?
- A2156
- B1190
- C1090
- D1465
Answer not set
Discussion 1
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Solution
Let number be 'n'.
It is given,
4/5th of n-20% of n=2499.
$\frac{4}{5}n-\frac{1}{5}n=2499$.
$\frac{3}{5}n=2499$.
$n=4165$.
2/7th of n=$\frac{2}{7}4165$.
=1190.
Hence, Option B is correct.
Let number be 'n'.
It is given,
4/5th of n-20% of n=2499.
$\frac{4}{5}n-\frac{1}{5}n=2499$.
$\frac{3}{5}n=2499$.
$n=4165$.
2/7th of n=$\frac{2}{7}4165$.
=1190.
Hence, Option B is correct.