... दो संख्याएं क्रमशः एक तीसरी संख्या से 15 प्रतिशत तथा 84
प्रतिशत अधिक है तो पहली, दूसरी संख्या का कितना प्रतिशत है ?
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Answer:
62.5 %
Explanation:
Let x, y & z be the numbers.
x>z by 15%
y>z by 84%
(x - z)/z × 100 = 15
x - z = (3/20)z
x = z(1+3/20) = (23z/20)
(y-z)/z × 100 = 84
y - z = 21z/25
y = z(46/25)
So, [(23z/20)/z(46/25)] × 100
= (23*25/20*46) × 100
= (25/40)× 100
= 25*5/2
= 125/2
= 62.5 %
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