Question : When we subtract a number from 11, we get 10% of that number. Find the number.
Option 1: 3.5
Option 2: 10
Option 3: 4.5
Option 4: 5.4
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Correct Answer: 10
Solution :
Let's assume that number is y.
When we subtract a number from 11, we get 10% of that number.
So, (11 – y) = y of 10%
⇒ (11 − y) = y × $\frac{10}{100}$
⇒ (11 − y) = y × $\frac{1}{10}$
⇒ 110 – 10y = y
⇒ 11y = 110
⇒ y = 10
Hence, the correct answer is 10.
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