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If 40 percent of a number is subtracted from the second number then the second number is reduced to its 3/5. Find the ratio between the first number and the second number.
  • a)
    1:3
  • b)
    1:2
  • c)
    1:1
  • d)
    2:3
  • e)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
If 40 percent of a number is subtracted from the second number then th...
Answer – C.1:1 Explanation : [ b – (40/100)a] = (3/5)b.
So we get a = b.
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Most Upvoted Answer
If 40 percent of a number is subtracted from the second number then th...
Let's assume the first number is 'x' and the second number is 'y'.

According to the given information, if 40 percent of 'x' is subtracted from 'y', then 'y' is reduced to 3/5 of its original value. Mathematically, this can be expressed as:

y - (40/100)x = (3/5)y

Simplifying the equation, we have:

(5y - 2x)/5 = (3y)/5

Cross-multiplying, we get:

5y - 2x = 3y

Rearranging the equation, we have:

2x = 2y

Dividing both sides by 2, we get:

x = y

Therefore, the ratio between the first number 'x' and the second number 'y' is 1:1, which corresponds to option C.
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If 40 percent of a number is subtracted from the second number then the second number is reduced to its 3/5. Find the ratio between the first number and the second number.a)1:3b)1:2c)1:1d)2:3e)None of theseCorrect answer is option 'C'. Can you explain this answer?
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