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  • Question
  • In the series given below , how many 8's are there each of which is exactly divisible by its immediate preceeding as well as succeeding numbers ? 2 8 3 8 2 4 8 2 4 8 6 8 2 8 2 4 8 3 8 2 8 6


  • Options
  • A. five
  • B. four
  • C. two
  • D. one

  • Correct Answer
  • two 

    Explanation

    Clearly, we may mark such sets of 3 numbers, in which the middle number is 8 and each of the two numbers on both sides of it is a factor of 8, as shown below :


    2 8 3 8 2 4 8 2 4 8 6 8 2 8 2 4 8 3 8 2 8 6

    So, there are two such 8's. Hence the answer is C.

  • Tags: AIEEE, Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO

    Time Sequence problems


    Search Results


    • 1. If the day before yesterday was Saturday, what day will fall on the day after tomorrow?

    • Options
    • A. Friday
    • B. Thursday
    • C. Wednesday
    • D. Tuesday
    • Discuss
    • 2. A bus for Shiridi leaves after every fifty two minutes from a bus stand. An enquiry officer told a passenger that the bus had already left sixteen minutes ago and the next bus will leave at 08:15 p.m. At what time did the enquiry officer give the information to the passenger?

    • Options
    • A. 07:23 p.m
    • B. 06:25 p.m
    • C. 07:39 p.m
    • D. 06:23 p.m
    • Discuss
    • 3. How many numbers amogst the numbers 9 to 54 are there which are exactly divisible by 9 but not by 3 ?

    • Options
    • A. 5
    • B. 6
    • C. 0
    • D. 9
    • Discuss
    • 4. Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers? 1 2 3 4 5 6 7 8 9 2 4 6 8 9 7 5 3 1 9 8 7 6 5 4 3 2 1

    • Options
    • A. 3
    • B. 5
    • C. 4
    • D. 7
    • Discuss
    • 5. 517 325 639 841 792 What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?

    • Options
    • A. 8
    • B. 2
    • C. 7
    • D. 9
    • Discuss
    • 6. In a row of boys, Rahul is 19th from top and Ajay is 21st from bottom. They interchange their position. Ajay now becomes 28th from bottom. Howmany total boys are there in the row?

    • Options
    • A. 47
    • B. 46
    • C. 45
    • D. 48
    • Discuss
    • 7. The priest told the devotee, "The temple bell is rung at regular intervals of 45 minutes. The last bell was rung five minutes ago. The Next bell is due to be rung at 7:45am". At what time did the priest give this information to the devotee?

    • Options
    • A. 7.40 am
    • B. 7.05 am
    • C. 7.00 am
    • D. 6.55 am
    • Discuss
    • 8. Vishal is 24th from either end of the row of boys ? How many boys are there in the row ?

    • Options
    • A. 48
    • B. 49
    • C. 46
    • D. 47
    • Discuss
    • 9. In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ?? 2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

    • Options
    • A. 4
    • B. 5
    • C. 3
    • D. More than 5
    • Discuss
    • 10. If the following series is written in the reverse order, which number will be fourth to the right of the seventh number from the left? 7, 3, 9, 7, 0, 3, 8, 4, 6, 2, 1, 0, 5, 11, 13

    • Options
    • A. 5
    • B. 11
    • C. 9
    • D. 0
    • Discuss


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