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

    Question

    In one box, three different types of old coins are in

    the ratio of 3 : 5  : 7, the value of old coins is Rs. 1, 5 and 10 rupees respectively. If the total price of coins kept in the box is 686, then tell the number of old coins of 10 rupees.
    A 48 Correct Answer Incorrect Answer
    B 51 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 49 Correct Answer Incorrect Answer

    Solution

    Ratio of coins of Rs. 1, 5 and 10 rupees is = 3:5:7 Ratio of values of Rs. 1, 5 and 10 rupees is = 3x1:5×5:7 × 10 = 3:25:70 3+25+ 70 = 98 unit 98 unit = 686 1 unit = 686/98 = 7 Total value of coins of Rs. 10 = 7 x 70 = Rs. 490 Total number of coins = 490/10 = 49

    Practice Next
    More Previous year papers Questions

    Relevant for Exams:

    ask-question