Quantitative Aptitude: Number Series Set 91

Directions(1-10): What will be the approximate value of “?” in the following questions.

  1. 7,17,2,22,0,27
    7
    0
    2
    17
    22
    Option B
    +10
    -15
    +20
    -25
    +30
    -3 should be in place of 0.

     

  2. 4,3,7,20,79,404
    7
    4
    3
    79
    404
    Option D
    *1-1
    *2+1
    *3-1
    *4+1
    *5-1
    81 should be in place of 79.

     

  3. 9,15,40,104,185,201
    40
    201
    15
    9
    104
    Option B
    +6^1
    +5^2
    +4^3
    +3^4
    +2^5
    217 should be in place of 201.

     

  4. 36,40,184,675,1692,3456
    40
    36
    675
    1692
    184
    Option C
    +2^2
    +12^2
    +22^2
    +32^2
    +42^2
    668 should be in place of 675.

     

  5. 7,16,40,88,151,232
    7
    40
    88
    16
    232
    Option B
    +9*1
    +9*3
    +9*5
    +9*7
    +9*9
    43 should be in place of 40.

     

  6. 168,86,90,134,270,677
    270
    168
    86
    90
    677
    Option D
    *0.5+2
    *1+2
    *1.5+2
    *2+2
    *2.5+2
    88 should be in place of 90.

     

  7. 10,21,31,52,82,135
    21
    10
    82
    31
    135
    Option C
    21+10
    31+21
    52+31
    82+52
    135+82
    83 should be in place of 82.

     

  8. 669,668,660,650,587,562
    650
    669
    660
    668
    587
    Option A
    -1^2
    -2^2
    -3^2
    -4^2
    -5^2
    651 should be in place of 650.

     

  9. 18,20,26,38,60,88,130
    88
    20
    26
    18
    60
    Option E
    +(1*2)
    +(2*3)
    +(3*4)
    +(4*5)
    +(5*6)
    +(6*7)
    58 should be in place of 60.

     

  10. 650,647,636,605,540,405,182
    405
    540
    636
    650
    182
    Option B
    -(1^3 + 2)
    -(2^3 + 3)
    -(3^3 + 4)
    -(4^3 + 5)
    -(5^3 + 6)
    -(6^3 + 7)
    536 should be in place of 540.

     


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