Find the value of:

(37.1% of 480) + (?% of 280) = (12% of 322)

  1. 37.6
  2.  – 39.6
  3.  – 49.8
  4.  52.4

 

abhishek Default Asked on 28th July 2015 in Maths.
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    Answer: (3) – 49.8
    Explanation:-
    (37.1% of 480) + (?% of 280) = (12% of 322)
    480 x 37.1/100 + 280 x ? /100 = 322 x 12/100
    178.08 + ? 14/5 = 38.64
    ? 14/5 = 38.64 – 178.08
    ? 14 = 139.44 x 5
    ?  = – 697.2/14
    ? = – 49.8
    Hence, the answer is (3) – 49.8.

    Anurag Mishra Professor Answered on 28th July 2015.
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