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If increasing 20 by M percentage gives the same result as decreasing 60 by M percentage. What is M percentage of 70?
  • a)
    32
  • b)
    35
  • c)
    33
  • d)
    64
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If increasing 20 by M percentage gives the same result as decreasing 6...
If increasing 20 by M percentage gives the same result as decreasing 60 by M percentage.

⇒ 40 = 80(M/100)
⇒ M = 50
Now, M percentage of 70 = 70 × (50/100)
= 70/2 = 35
Hence, the required M percentage of 70 is 35.
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If increasing 20 by M percentage gives the same result as decreasing 60 by M percentage. What is M percentage of 70?a)32b)35c)33d)64Correct answer is option 'B'. Can you explain this answer?
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