Page 1 - Sub-topic-7
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Subject – Mathematics


                                    Chapter 3 – FACTORS AND MULTIPLES


        Sub-topic-7:- Word problem on HCF and LCM

        Practice from Composite Book

        Page 78(question no. are given as per the book)

        11.Six bells commence tolling together and toll at interval 2,4,6,8,10,and 12 seconds respectively
        .After how much time will they toll together again.

        OBJECTIVE QUESTIONS:


            1.  Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in
               each case.
               a.  4                                b. 7                        c. 9 d. 13
            2.  The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The
               larger of the two numbers is :
               a.  276                            b. 299                    c. 322         d. 345
            3.  The greatest number of four digits which is divisible by 15,25,40,and 75 is :
               a.  9000                        b. 9400                   c. 9600  d. 9800
            4.  Find the greatest number that can divide 13 and 52 exactly
               a.  11                            b. 13                       c. 15            d. 10
            5.  The H.C.F of 7 and 13 is ------------
               a.  7                              b. 13                        c. 1             d. 14
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