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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    If you write down all the numbers from 1 to 100, then how many times do you write 3?

    A)  11                               

    B)  18      

    C)  20                               

    D)  21

    Correct Answer: C

    Solution :

    Clearly, from 1 to 100, there are ten numbers with 3 as the unit's digit\[-\]3, 13, 23, 33, 43, 53, 63, 73, 83 and 93 and ten numbers with 3 as the ten's digit\[-\]30, 31, 32, 33, 34, 35, 36, 37, 38 and 39. So, required number\[=10+10\text{ }=20\]


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