8th Class Mathematics Comparing Quantities Question Bank Comparing Queantities

  • question_answer The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be the new ratio of their salaries?

    A)  3 : 3 : 10                     

    B)  10: 11 : 20

    C)  23 : 33 : 60    

    D)  can't be determined

    Correct Answer: C

    Solution :

    (c): Let salaries be \[2x,3x,5x\] After increment, A's salary \[=2x\times 1.15=2.3x\] B's salary \[=3x\times 1.1=3.3x\] C's salary \[=5x\times 1.2=6x\] New ratio \[=2.3x:3.3x:6x\] = 23 : 33 : 60.

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