SSC Government Jobs Exams Numerical Ability Alligation or Mixture

An alloy contains copper, zinc and nickel in the ratio of 5 : 3 : 2. The quantity of nickel in kg that must be added to 100 kg of this alloy to have the new ratio 5 : 2 : 3, is

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SSC Other Question
The single discount equal to three consecutive discounts of 10%, 12% and % is The ratio of the ages of Ram and Rahim 10 years ago was 1 : 3. The ratio of the their ages five years hence will be 2 : 3. Then the ratio of the their present ages is