alleryযদি এটা সংখ্যাৰ 30% হৈছে 90, তেন্তে সেই সংখ্যাটোৰ 50% কিমান?
A120
B140
C150
D160
Answer & Solution
Correct answer: C. 150
সংখ্যাটো = 90 / 0.30 = 300। 300-ৰ 50% = 150।
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