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ibps-rrb-os1 2021 · Question 131 of 173

Speeds of train A and train B are in the ratio of 3: 4. These trains covered the same distance but difference between respective time taken by them is 21 min. What is the time taken by train A?

Data Interpretation

  1. A63 min
  2. B105 min
  3. C84 minCorrect
  4. D72 min
  5. E96 min 18 Adda247 | No. 1 APP for Banking & SSC Preparation Website: bankersadda.com | sscadda.com | adda247.com | Email: blogger@adda247.com

Answer: C. 84 min

Explanation

Let speed of train A and train B be 3x and 4x respectively. Let time taken by train B be ‘T’ min. ATQ 3x(T + 21) = 4x × T 3T + 63 = 4T T = 63 min So, time taken by train A = 63 + 21 = 84 min

Source: IBPS RRB PO Mains 2021 Memory Based Paper (Adda247/BankersAdda) · memory-based

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