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ଏକ ସଂଖ୍ୟା 250 ରୁ 200 କୁ ହ୍ରାସ ପାଏ। ହ୍ରାସ ପ୍ରତିଶତ ନିର୍ଣ୍ଣୟ କରନ୍ତୁ।

A15%
B20%
C25%
D50%
Answer & Solution
Correct answer: B. 20%
50 ର ହ୍ରାସ ହେଉଛି ମୂଳ 250 ର ଏକ ପଞ୍ଚମାଂଶ।
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