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When a number is added to 20 percent of the second number, we get 150 percent of the second number. Find the ratio between the first and second number?
- a)13:9
- b)12:10
- c)13:10
- d)17:10
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
When a number is added to 20 percent of the second number, we get 150 ...
a + (20/100)*b = (150/100)*b
a:b = 13:10
a:b = 13:10
Most Upvoted Answer
When a number is added to 20 percent of the second number, we get 150 ...
Fast approach-
First no. is added to 20% of second no. to get 150%... so the first no. must be 130% of second no.
So the ratio wud be 130:100 i.e. 13:10.
Hope it will help. :-)
First no. is added to 20% of second no. to get 150%... so the first no. must be 130% of second no.
So the ratio wud be 130:100 i.e. 13:10.
Hope it will help. :-)
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Community Answer
When a number is added to 20 percent of the second number, we get 150 ...
Let the first number be x and the second number be y.
Given, x + 0.2y = 1.5y
Simplifying the above equation, we get:
x = 1.3y
Therefore, the ratio of the first number to the second number is:
x:y = 1.3y:y = 13:10
Hence, the correct option is (c) 13:10.
Given, x + 0.2y = 1.5y
Simplifying the above equation, we get:
x = 1.3y
Therefore, the ratio of the first number to the second number is:
x:y = 1.3y:y = 13:10
Hence, the correct option is (c) 13:10.
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