📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store

    • Question

      There are three numbers such that when the average of

      any of the two numbers is added with the third number, sum obtained will be 250, 265 and 271. Find the average of all three numbers.
      A 101 Correct Answer Incorrect Answer
      B 141 Correct Answer Incorrect Answer
      C 131 Correct Answer Incorrect Answer
      D 121 Correct Answer Incorrect Answer
      E 111 Correct Answer Incorrect Answer

      Solution

      Let the three numbers be a, b and c respectively. According to question; (a + b + 2c) = 250 × 2 = 500……………..(1) (a + 2b + c) = 265 × 2 = 530……………..(2) (2a + b + c) = 271 × 2 = 542……………..(3) From equation (1), (2) and (3) 4 × (a + b + c) = 1572 a + b + c = 393 (a + b + c)/3 = 131

      Practice Next
      ask-question