প্রতিটি বালতির ধারণক্ষমতা 14 লিটার হলে 10টি বালতির জল দিয়ে একটি ট্যাংক পূর্ণ করা যায়। প্রতিটি বালতির ধারণক্ষমতা 7 লিটার হলে একই ট্যাংক পূর্ণ করতে কটি বালতি লাগবে?

This question was previously asked in
RRB Group D 29 Aug 2022 Shift 2 Official Paper
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  1. 20
  2. 23
  3. 18
  4. 15

Answer (Detailed Solution Below)

Option 1 : 20
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RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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প্রদত্ত:

14 লিটার করে 10টি বালতি ব্যবহার করা হয়েছে

ব্যবহৃত সূত্র:

M1D1 = M2D2

গণনা:

সূত্রানুসারে,

⇒ M1D1 = M2D2

⇒ 10 x 14 = 7 x D2

⇒ D2 = 20

⇒ অতএব, 7 লিটার করে মোট 20টি বালতি প্রয়োজন

Latest RRB Group D Updates

Last updated on Jun 2, 2025

-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.

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-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025. 

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-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.

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