Question
Download Solution PDFयदि P, Q से 40% कम है, तो Q, P से कितना प्रतिशत अधिक है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
P, Q से 40% कम है।
Shortcut Trick
40% = 2/5
इसलिए, Q, P से 2/(5-2) × 100 = 2/3 × 100 = 66.66% अधिक है।
∴ Q, P से 66.66% अधिक है।
गणना:
माना, Q = 100y
इसलिए, P = 100y × (100 - 40)/100 = 100y × 60/100 = 60y
अब,
(Q – P)/P × 100 = 40y/60y × 100 = 66.66%
∴ Q, P से 66.66% अधिक है।
Additional Information
यदि A, B से 20% कम है,
इसलिए,
B, A से 20/(100 - 20) × 100 = 20/80 × 100 = 25% अधिक है।
इसी प्रकार,
यदि B, A से 25% अधिक है,
इसलिए,
A, B से 25/(100 + 25) × 100 = 25/125 × 100 = 20% अधिक है।
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