Choose the Correct Alternative

11: 132 : : ____ : ____

  1. 10:100
  2. 9:90
  3. 13:169
  4. 15:250
Monis Rasool Professor Asked on 9th June 2015 in Maths.
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    Answer: (2) 9 : 90
    Explanation:-
    11 x (11 + 1) = 11 x 12 = 132
    Similarly,
    9 x (9 + 1)  = 9 x 10 = 90

    Hence, the answer is 9: 90.

    Anurag Mishra Professor Answered on 9th June 2015.
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