তিন সদস্যের একটি বিতর্ক দলের সদস্যদের গড় বয়স ২৪ বছর। যদি কোনো সদস্যের বয়সই ২১ বছরের নিচে না হয় তবে তাদের কোনো একজনের সর্বোচ্চ বয়স কত হতে পারে?
A. ২৫ বছর
B. ৩০ বছর
C. ২৮ বছর
D. ৩২ বছর
সঠিক উত্তরঃ
B.
৩০ বছর
Explanation:
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