Question

27. If increasing 30 by P% gives the same result as
decreasing 90 by P%, what is the value of P?
A) 150 B) 115 C) 30 D) 50
E) 60​

Answer 1

Answer:

35

Step-by-step explanation:

Increasing 20 by P% => x=20+20.P/100 Decreasing 60 by P% => y=60-60.P/100 Acoording to the question, x=y => 20+20.P/100=60-60.P/100 Solving we get P=50 So, P% of 70=50% of 70=35 So, answer is 35