Two numbers are 10% and 15% less than a third number

Two numbers are 10% and 15% less than a third number. Find the ratio of the two numbers
A. 9 : 16
B. 9 : 14
C. 13 : 16
D. 18 : 17

Anurag Mishra Professor Asked on 29th February 2016 in Maths.
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  • 1 Answer(s)

    Answer: (D) 18: 17 

    Solution:-
    Let the third number be 100. 

    Two numbers are 10% and 15% less than a third number. 
    Then, the  two number are 100 – 10 = 90 &  100 – 15 = 85

    So, the ration of two numbers = 90/85 = 19/18
     = 19: 18

    Hence, the correct answer is option (D) 18: 17. 

    Anurag Mishra Professor Answered on 1st March 2016.
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