72 का 80% -70 का 78% =75 का कितना प्रतिशत?
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Answer:
72 ×80/100 - 70 × 78/100 = 75 × X/100
= 57.6 - 54.6 = 3X/4
= 3 = 3X/4
=12=3X
X=4 Answer
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