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  9. Q105

RBI Grade B Officer (General / DEPR / DSIM) 2021 · Question 105 of 260

The following questions are accompanied by three statements A, B and C. You have to determine which statement(s) is/are necessary/sufficient to answer the question. Find out the length of train A. Statements: A. Train A crosses another train B moving in the same direction in 72 seconds. B. Speed of train A is 25km/h more than that of train B. C. Length of train B is 20% less than that of train A.

Quantitative Aptitude

  1. AA. All the three together are not sufficient
  2. BB. Only A and C together
  3. CC. All the three togetherCorrect
  4. DD. Only A and B together
  5. EE. Only B and C together

Answer: C. C. All the three together

Official answer key verified. Detailed explanation coming soon.

Source: RBI Grade B Phase 1 recollected questions with answer key, 2021-2025 (EduTap compilation) · memory-based

← Q104View full paper (260 questions)Q106 →

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