অক্ষরগুলির সংমিশ্রণটি চয়ন করুন যা ক্রমানুসারে শূন্য স্থানে রাখলে একটি পুনরাবৃত্তিমূলক ক্রম তৈরি হবে

c _ b b a _ c a b _ a c _ a b _ a c

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RRB NTPC CBT-I Official Paper (Held On: 28 Dec 2020 Shift 1)
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  1. a; c; b; c; b
  2. a; b; c; b; c
  3. খ; a; খ; গ; গ
  4. b; c; a; c; b

Answer (Detailed Solution Below)

Option 1 : a; c; b; c; b
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Detailed Solution

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প্রদত্ত:- c _ b b a _ c a b _ a c _ a b _ a c

বিকল্পগুলি পরীক্ষা করে এবং সেই অনুযায়ী প্রতিস্থাপন করে।

1) a; c; b; c; b → c a b b a c - c a b b a c - c a b b a c

  • বিকল্প (1) একটি ক্রম প্রদান করছে  c a b b a c - c a b b a c - c a b b a c

2) a; b; c; b; c → a b b a b - c a b c a c - b a b c a c

3) b; a; b; c; c → b b b a a - c a b b a c - c a b c a c

4) b; c; a; c; b b b b a c - c a b a a c - c a b b a c

সুতরাং, "a; c; b; c; b" হল সঠিক উত্তর।

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