Question : Two numbers are more than the third number by 20% and 80%, respectively. The first number is what percentage of the second number?
Option 1: 75%
Option 2: 50%
Option 3: 66.66%
Option 4: 150%
Correct Answer: 66.66%
Solution :
Let the 3
rd
number be 100 units.
Then, 1
st
number = 20% more than 100 = 120
and 2
nd
number = 80% more than 100 = 180
So, the required percentage $=\frac{\text{First number}}{\text{Second number}} × 100 = \frac{120}{180} × 100 = 66.66$%
Hence, the correct answer is 66.66%.
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