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Railways Sample Paper RRB (Group D) Sample Test Paper-13

  • question_answer
    How many numbers are there between 300 and 400 in which 7 occurs only once?

    A)  18                   

    B)  14

    C)  11                   

    D)  10

    Correct Answer: A

    Solution :

    [a] The required numbers are. 307, 317, 327, 337, 347, 357, 367, 370, 371, 372, 373, 374, 375, 376, 378, 379, 387, 397. Hence there are 18 numbers.


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