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17% of 17 + 18% of 18 = 19% of x then x is lying in the range

+1 vote
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17% of 17 + 18% of 18 = 19% of x then x is lying in the range

1) (20, 30)
2) (25, 35)
3) (35, 40)
4) (40, 45)
5) (15, 25)
6) (10, 20)
7) (5, 30)
8) (0, 20)
9) (35, 45)
10)None of these

posted Mar 6, 2015 by anonymous

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2 Answers

0 votes

17*17 + 18*18 = 19*x
x = 613/19 = 32.26

So option 2.

answer Mar 9, 2015 by Salil Agrawal
–3 votes

17/100*17+18/100*18=19/100*x
=>(17*117+18*18)/100=19/100*x
=>189+324=19*x
=>x=513/19
=>x=27
Therefore x lies between (20,30)

answer Mar 6, 2015 by Abhishek Porwal
17*17 = 289
Just u made small mistake
So option 2 is correct



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