Important Questions of Real Numbers Mathematics | Zigya
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    Mathematics : Real Numbers

    Multiple Choice QuestionsShort Answer Type

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    81.  Find the largest number which divides 245 and 1029 leaving remainder 5 in each case.
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    82. Find the largest number which divides 615 and 963 leaving remainder 6 in each case.
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    83. What is the largest number that divides 626, 3127 and 15628 and leaves remainders of 1, 2 and 3 respectively.
    1236 Views
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    Multiple Choice QuestionsLong Answer Type

    84. Three sets of Physics, Chemistry and Biology books have to be stacked in such a way that all the books are stored topic-wise and the height of each stack is the same. The number of Physics books is 105, the number of Chemistry books is 140 and the number of Biology books is 175. Assuming that the books are of the same thickness, determine the number of stacks of Physics, Chemistry and Biology books.
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    85. Using Euclid's division algorithm, find the HCF of 56, 96 and 404.
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    Multiple Choice QuestionsShort Answer Type

    86. Find the LCIM and HCF of 6 and 20 by the Prime factorisation method.
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    Multiple Choice QuestionsLong Answer Type

    87. Find the LCM and HCF of 1296 and 2520 by the prime factorisation method.
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    Multiple Choice QuestionsShort Answer Type

    88.

    Find the LCM and HCF of the following integers by applying the prime factorisation method :

    12, 15 and 21

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    89. Find the HCF of 96 and 404 by the prime factorisation method. Hence, Find their LCM.
    630 Views
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    Multiple Choice QuestionsLong Answer Type

    90.

    Using prime factorization method, Find the LCM of

    (i) 12, 15, 20, 27 (ii) 21, 28, 36, 45.

    241 Views
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