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A student has to answer 10 out of 13 que...

A student has to answer 10 out of 13 questions in an examination. The number of ways in which he can answer if he must answer atleast 3 of the first five questions is

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  • In a examination there are four multiple choice questions and each question has 4 choices. Number of ways in which a student can fail to get all answer correct is (i) 256 (ii) 254 (iii) 255 (iv) 63

    A
    256
    B
    254
    C
    255
    D
    63

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