2. Questions Bank
  3. 6th Class
  4. Mathematics
  5. Related to Competitive Exam

6th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
    DIRECTIONS: In each example on some letters are missing shown by (...). The missing letters are given in proper sequence as one of the five alternatives given under each question. Find out the correct alternative. 5, 9, 16, 29, 54...........

    A) 103                 

    B)          105

    C) 109                 

    D)          None of these

    Correct Answer: A

    Solution :

        Multiply each number by '2' and then deduct 1, 2, 3, 4, .....to get the next consecutive number. Like \[(5\times 2-1)\,=9,\,(9\times 2-2)=16,\] \[(16\times 2-3)=29\] etc.


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