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  1. #1
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    Default ratio and proportion

    A toy weighing 24gms of an alloy of 2 metals is worth Rs. 174/- but if the weights of the 2 metals be interchanged .the toy would be Rs 162/-. If the price of 1 metal be Rs 8 per gm find the price of other metal used to make the alloy? Options : Rs 10,6,4,5 per gm.?

  2. The Following 2 Users Say Thank You to anu1389 For This Useful Post:

    sapalasuresh (01-Sep-13), sushanta1437 (25-Sep-12)

  3. #2
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    Default

    6 is the ans.....

  4. #3
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    Please explain...

  5. #4
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    Angry

    Quote Originally Posted by anu1389 View Post
    Please explain...
    Ax + By=174
    Ay + Bx=162
    where x+y=24 and A=8..B=?
    By putting A=8 on both the equation and adding dem ll get
    8(x+y) + B(x+y) = 336
    but x+y=24...so B=6 ans

  6. #5
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    I'm confused! Sorry!((

  7. #6
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    I'm confused! Sorry!((
    my hr cvs
    Last edited by TestFunda; 22-Mar-17 at 11:19 AM.

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