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TCS Aptitude Questions 8

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  1. Admin on Sep 16, 2013 Reply

    1000=(2^3)*(5^3)
    So the number of factors will be (3+1)*(3+1)=16 (including 1 & 1000)
    excluding 1000=16-1=15 factors

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  2. Admin on Sep 16, 2013 Reply

    15 divisors
    500*2
    250*4
    200*5
    125*8
    100*10
    50*20
    40*25
    1000*1

    excluding 1000, we get “15″

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  3. Admin on Sep 16, 2013 Reply

    1000=10*10*10*10=2*2*2*2=16,16-1=15

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