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    Question

    What is the least number that should be multiplied to

    735 so that it becomes divisible by 42?
    A 6 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer

    Solution

    Since, 735 = 3 Γ— 5 Γ— 7 Γ— 7 To be divisible by β€˜42’, a number must be divisible by all 2, 3 and 7. Since, 735 is divisible by β€˜3’ and β€˜7’. So, the least number that we need to multiply is β€˜2’. Therefore, required answer is 2.

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