7th Class Mathematics Related to Competitive Exam Question Bank Number and Ranking

  • question_answer
    How many 5s are there in the following sequence which are immediately followed by 3 but not immediately preceded by 7? 8 9 5 3 2 5 3 8 5 5 6 8 7 3 3 5 7 7 5 3 6 5 3 3 5 7 3 8

    A) One                                      

    B) Two

    C) Three                   

    D) Four

    Correct Answer: C

    Solution :

    The numbers satisfying the given conditions, can be seen as follow: 8 9 5 3 2 5 3 8 5 5 6 8 7 3 3 5 7 7 5 3 6 5 3 3 5 7 3 8 Clearly there are three such numbers.  


You need to login to perform this action.
You will be redirected in 3 sec spinner