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


    Question

    40% of 30% of 750 = x + 15, then find the sum of the

    squares of the digits of 'x'.
    A 40 Correct Answer Incorrect Answer
    B 90 Correct Answer Incorrect Answer
    C 74 Correct Answer Incorrect Answer
    D 66 Correct Answer Incorrect Answer

    Solution

    ATQ,

    40% of 30% of 750 = x + 15

    Or, (2/5) × (3/10) × 750 = x + 15

    Or, 90 = x + 15

    Or, x = 75

    Required sum = 7² + 5² = 49 + 25 = 74

    Practice Next
    ask-question

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

    Get My Free Call