Practice test

Lcm and hcf - Test Set 2

Review 5 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

5 questions

Questions and explanations

  1. Question 1

    The LCM of two numbers is 114 times their HCF. If the sum of LCM and HCF is 2300 and one of the numbers is 380, find the other number.
    1. 190
    2. 140
    3. 120
    4. 160
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  2. Question 2

    LCM of two numbers is 20 times their HCF and the sum of LCM and HCF is 504. If the difference of the numbers is 24, then find the sum of the numbers.
    1. 216
    2. 225
    3. 180
    4. 210
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  3. Question 3

    The LCM of two numbers is 35 times of their HCF. The difference of the LCM and HCF is 238. If the difference of the two numbers is 14, then find the sum of the numbers.
    1. 84
    2. 86
    3. 82
    4. 83
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  4. Question 4

    If the sum of least common multiple and greatest common factor of two numbers is 1050 and if their greatest common factor is 630 less than their least common multiple, then find the product of those two numbers.
    1. 661500
    2. 63000
    3. 10500
    4. 176400
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  5. Question 5

    LCM of two numbers is 48. Their ratio is 2 : 3. Find the sum of the numbers.
    1. 40
    2. 24
    3. 30
    4. 48
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