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Series Test-3

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Series Test-3
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Weekly Quiz Competition
  • Question 1
    1 / -0.25

    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

    Solution

    The correct option is  B  4
    In the given sequence 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, the number of digits given are 27.
    Therefore, the middle of the sequence will be the 14th digit as there will be 13 digits on each side of this number. Therefore, the 14th digit is 9.
    The third number to the left is 4.
    Answer is Option B

  • Question 2
    1 / -0.25

    How many 6 ’s are there in the following series of numbers which are preceded by 7 but not immediately followed by 9?

    6 7 9  5 6 9 7 6 8 7 6 7 8 6 9 4 6 7  7 6 9 5 7 6 3  

  • Question 3
    1 / -0.25

    How many 7 ’s are there in the following series which are not immediately followed by 3 but immediately proceeded by 8?

    8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4  

  • Question 4
    1 / -0.25

    How many 7 ’s are there in the following series which are preceded by 6 which is not preceded by 8?  

    8 7 6 7 8 6 7 5 6 7 9 7  6 1 6 7 7 6 8 8 6 9 7 6 8  7  

    Solution

    look for all 7 except the pattern of  678
    8 7 6 7 8 6 7 56 7 9 7  6 1 6 7 7 6 8 8 6 9 7 6 8  7
    675  , 679  , 677

  • Question 5
    1 / -0.25

    In the following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number?  

    4 8 6 7 8 6 7 5 6 3 9 7  6 2 6 7 7 2 8 3 6 9 7 6 8  7  

    Solution

    The correct answer is D as  486,267,283,369 are the numbers.

  • Question 6
    1 / -0.25

    If the first and second digits in the sequence 5 9 8 1 3 2 7 4 3 8 are interchanged, also the third and fourth digits, the fifth and sixth digits and so on, which digit would be the seventh counting to your left?  

    Solution

    After interchanging the digits as specified, the sequence becomes 9, 5, 1, 8, 2, 3, 4, 7, 8, 3. Counting seven digits from the left, the seventh digit is  4 .

  • Question 7
    1 / -0.25

    If the position of the first and the sixth digits of the sequence of numbers 8  9  0  3  2  1  4  6  7  5 are interchanged, the second and the seventh and so on, which number would be seventh from the right end?

    Solution

    The correct answer is C as
     required sequence=1467589032
    =>no.7th from right end=7

  • Question 8
    1 / -0.25

    In this question refer to the symbol-letter number sequence given below:

    8 5 X $ 3 K P @ 9 M R g 7 êJ ? Z Y b ©₤V D 6 Q 1 Y A L O  ©U

    Q. 
    How many symbols in the sequence are either immediately followed by a letter belonging to the first half of the English alphabet or by a number?

    Solution

    In the given arrangement  

    8 5 X $ 3 K P @ 9 M R g 7 êJ ? Z Y b ©₤V D 6 Q 1 Y A L O  ©U

    $ 3, @ 9, êJ

    Only these three cases are possible

  • Question 9
    1 / -0.25

    this question refer to the symbol-letter number sequence given below:

    8 5 X $ 3 K P @ 9 M R g 7 êJ ? Z Y b ©₤V D 6 Q 1 Y A L O  ©U 

    Q. 
    What is the total number of ‘the numbers immediately followed by a letter ’and ‘the symbols immediately preceded by a letter ’in the given sequence?

    Solution

    The correct answer is D none of the options is correct except D as 5X,3K,9M,6Q,1Y,X$,P@,J?,bc(in circle),Oc(in circle)
    total=10

  • Question 10
    1 / -0.25

    Study the following letters /cods and answer the questions given below:

    L z x 2 m s 3 k e n 4 p q r 5 a b c 6 d f g h 7 u v w 8 y t p o 9 I j

    Q. 

    Four of the following five are alike in a certain way and so form a group. Which one of the following does not belong to that group?

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