1.Koi number phle 25 tha ab 50 ho gya, find % change.
2.Koi number 25 se 75 ho gya find % change.
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Step-by-step explanation:
(1) 50-25=25
%change= 25/25*100
=100% increase
(2) 75-25=50
%change=50/25*100
200% increase
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