📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    Question

    Two alloys are mixed in the ratio of 3:5. The first

    alloy contains 60% gold, while the second alloy contains 80% gold. Find the percentage of gold in the resulting alloy.
    A 70% Correct Answer Incorrect Answer
    B 72% Correct Answer Incorrect Answer
    C 75% Correct Answer Incorrect Answer
    D 68% Correct Answer Incorrect Answer

    Solution

    Percentage of gold in the mixture = (3 × 60 + 5 × 80) / (3 + 5) = (180 + 400) / 8 = 580 / 8 = 72.5%

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call