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    Question

    Find the least number of four digits which is exactly

    divisible by 5, 15 and 25?
    A 1050 Correct Answer Incorrect Answer
    B 1230 Correct Answer Incorrect Answer
    C 1120 Correct Answer Incorrect Answer
    D 1069 Correct Answer Incorrect Answer

    Solution

    Least four digit number = 1000 So when 1000 is divided by LCM of 5,15 & 25 (i.e.75) , remainder is 25. So when gap of divisor & remainder is added to 1000, it will be completely divided by 75 & answer will be = 1000 + (75-25) = 1000 + 50 = 1050.

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