Question
Download Solution PDFযদি (x + y)-এর 20% = (x - y)-এর 25% হয়, তবে y-এর কত শতাংশ x-এর সমান?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
(x + y)-এর 20% = (x - y)-এর 25%
অনুসৃত সূত্র:
শতকরা হার = (প্রাপ্ত মান/মোট মান) × 100
গণনা:
(x + y)-এর 20% = (x - y)-এর 25%
⇒ 20(x + y) = 25(x - y)
⇒ 20x + 20y = 25x - 25y
⇒ 20y + 25y = 25x - 20x
⇒ 45y = 5x
⇒ x = 9y
এখন, শতকরা হার = (প্রাপ্ত মান/মোট মান) × 100
⇒ (x/y) × 100
⇒ (9y/y) × 100
⇒ 900%
Last updated on Jul 14, 2025
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