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This question was previously asked in
RRB Group D 30 Aug 2022 Shift 3 Official Paper
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  1. a15 × b-9 × c-9
  2. a15 × b9 × c9
  3. a5 × b9 × c-9
  4. a5 × b-9 × c-9

Answer (Detailed Solution Below)

Option 1 : a15 × b-9 × c-9
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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অনুসৃত ধারণা:

যদি নিধান একই হয়, তাহলে

tn/t1 = tn-1  

যেখানে t হল যেকোনো চলক

গণনা:

এখানে, আমাদের আছে।

⇒ a 10 -(-5) × b -7-2 × c -4-5 [ যেহেতু t n /t 1 = t n-1 ]

⇒ a 15 × b -9 × c -9

অতএব, নির্ণেয় মান হল a15 × b -9 × c -9 

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Last updated on Jul 11, 2025

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