আৰ আৰ বি টেকনিচিয়ান ২০১৩ প্ৰশ্ন ১০০
প্ৰশ্ন: তলৰ সংখ্যা শ্ৰেণীটোত প্ৰশ্নবোধক চিহ্ন (?)ৰ ঠাইত কি আহিব লাগে? 3 7 13 ? 31 43
বিকল্প:
A) 18
B) 19
C) 23
D) 21
Show Answer
Answer:
Correct Answer: D
BETA
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