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25% বৃদ্ধিৰ পিছত এটা মান হয় 500। মূল মানটো কি আছিল?

A375
B400
C425
D475
Answer & Solution
Correct answer: B. 400
চূড়ান্ত 500 হ'ল মূল মানৰ 125%, গতিকে মূল মানটো আছিল 400।
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