ibps-rrb-os1 2021 · Question 77 of 173

𝑥2−𝑏2 2 + 𝑎𝑏 = 𝑎𝑥; given x, a and b are positive integers. Quantity 1: value of a Quantity 2: value of b

Quantitative Aptitude (misc)

Answer: E. Quantity 1 = Quantity 2 or Relation cannot be established

x2−b2 2 = ax − ab (x + b)(x − b) = 2a(x − b) x + b = 2a So, value of quantity 1 and quantity 2 cannot be determined.

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

Practice the full ibps-rrb-os1 2021 paper

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ibps-rrb-os1 2021 · Question 77 of 173

Quantitative Aptitude (misc)

x2−b2 2 = ax − ab (x + b)(x − b) = 2a(x − b) x + b = 2a So, value of quantity 1 and quantity 2 cannot be determined.

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

Practice the full ibps-rrb-os1 2021 paper

Timed test with all 173 questions, just like the real exam.