📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

       (108.999)² -

      (102.001)²=? What approximate value should come in place of the question-mark(?) in the following question (You are not expected to calculate the exact value).
      A 1517 Correct Answer Incorrect Answer
      B 1427 Correct Answer Incorrect Answer
      C 1477 Correct Answer Incorrect Answer
      D 1377 Correct Answer Incorrect Answer

      Solution

       We know that  a2 - b2 = (a+b)(a-b) (108.999)² - (102.001)² = (109)² - (102)² =(109+102) (109-102)= 211 x 7= 1477

      Practice Next
      More Approximation Questions

      Relevant for Exams:

      ask-question