HCF and LCM Questions with Answers | Number System Questions

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Here we sharing selective and important multiple choice Number System and HCF - LCM questions and answers for govt exams, which are usually asked in Government Exams. This is the aptitude questions and answers section on Number System and HCF - LCM for various competitive examination. Aptitude is the central point that determines your selection in competitive exams SSC, MTS, CGL, Bank, Defence and Railway etc. Hence, Try these online tests on Number System and HCF - LCM. Number System and HCF - LCM solved questions or problems with solutions covered for all competitive exams, interviews and entrance tests.

Question List Number System Hcf Lcm

  • 1 . The different between a number and its two-fifth is 1746. What is 10% of that number?

    (A). 10476

    (B). 68.94

    (C). 163

    (D). 291

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  • 2 . In the following question. A series is given, choose the correct alternative from the given ones that will complete the series : -
    81, 192, 375, ? 1029

    (A). 684

    (B). 648

    (C). 486

    (D). 846

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  • 3 . Find the smallest number of five digits exactly divisible by 8, 16, 24 and 36.

    (A). 10036

    (B). 10048

    (C). 10080

    (D). 10086

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  • 4 . The L.C.M of two numbers is 45 times their H.C.F. if one of the number is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is:-

    (A). 235

    (B). 215

    (C). 220

    (D). 225

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  • 5 . Find the remainder when 233is divided by 17.

    (A). 1

    (B). 3

    (C). 2

    (D). 0

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  • 6 . The number of number pairs lying between 40 and 100 with their H.C.F. as 15 is :-

    (A). 3

    (B). 5

    (C). 4

    (D). 7

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  • 7 . How many terms are there in the G.P. 3, 6, 12, 24, ………….., 768 ?

    (A). 8

    (B). 9

    (C). 10

    (D). 11

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  • 8 . What would be the cost of building 7m wide garden around a circular field with diameter equal to 280m, if the cost per sq. m for building the garden is Rs.26?

    (A). 156242

    (B). 164134

    (C). 164164

    (D). 206118

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  • 9 . In each of the following number series only one number is wrong. Find out the wrong number.
    4, 18, 48, 105, 180, 294, 448

    (A). 4

    (B). 105

    (C). 180

    (D). 294

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