Question

Price of oil is increased from Rs. 50 to Rs. 70. The
percentage of increase is:
a) 40%
b) 28.6%
c) 0.5%
d) 0.7%
plz tick the right answer. I know answer is 40%but I confirm the answer.. it's urgent
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Answer 1

Answer:

Yes the answer is 40%

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Answer 2

Answer:

50rs is equals to 100percent

then,1rs is equals to 2percent

then,70rs is equals to 70into 2

that equals to 140

,then now 140-100is equals to 40

so...40percentage....