alleryএকটি সংখ্যার 30% যদি 90 হয়, তবে সেই সংখ্যার 50% কত?
A120
B140
C150
D160
Answer & Solution
Correct answer: C. 150
সংখ্যাটি = 90 / 0.30 = 300। 300 এর 50% = 150।
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