Quantitative Aptitude: Number Series Set 78

Shubhra

Directions: The following series are based on a certain pattern. One of the number in series is missing given by ?. Find that number.

  1. 6, 3, 3, 4.5, 9, ?
    22.5
    12.5
    18
    26
    None
    Option A
    Solution:
    6*1/2=3
    3*2/2=3
    3*3/2=4.5
    4.5*4/2=9
    9*5/2=22.5
  2. 64, 125, ?, 111, 36, 97
    105
    46
    50
    117
    None
    Option C
    Solution:
    —— (125-111=14)—-(111-97=14)
    64——125——50——111——36——97
    —— (64-50=14)—–(50-36=14).
  3. 54, 72, 101, 141, ?, 254
    192
    164
    182
    229
    None
    Option A
    Solution:
    54—–72—–101—–141—–192—–254
    —–18—–29—–40——-51——-62
    ———11—-11——-11——11.
  4. 15, 16, 24, ?, 97, 122
    29
    33
    46
    54
    None
    Option B
    Solution:
    15+12=16
    16+23=24
    24+32=33
    33+43=97
    97+52=122.
  5. 8, 4, 8/3, ?, 8/5, 4/3
    3
    4/5
    5/6
    2
    None
    Option D
    Solution:
    8*1/2=4
    4*2/3=8/3
    8/3*3/4=2
    2*4/5=8/5
    8/5*5/6=4/3.
  6. 45, 49, 33, 69, ?, 105
    53
    5
    26
    19
    None
    Option B
    Solution:
    45+22=49
    49-42=33
    33+62=69
    69-82=5
    5+102=105.
  7. 25, ?, 56, 177, 724, 3645
    46
    32
    26
    29
    None
    Option C
    Solution:
    25*1+12=26
    26*2+22=56
    56*3+32=177
    177*4+42=724
    724*5+52=3645.
  8. 8, 4.5, ?, 9.75, 21.5, 56.25
    5.5
    8.25
    6.75
    5.25
    None
    Option A
    Solution:
    8*0.5+0.5=4.5
    4.5*1+1=5.5
    5.5*1.5+1.5=9.75
    9.75*2+2=21.5
    21.5*2.5+2.5=56.25.
  9. 8, 12, 24, 36, 72, ?
    94
    108
    112
    134
    None
    Option B
    Solution:
    8*1.5=12
    12*2=24
    24*1.5=36
    36*2=72
    72*1.5=108.
  10. 15, 25, 60, ?, 770, 3860
    95
    340
    215
    190
    None
    Option D
    Solution:
    15*1+10=25
    25*2+10=60
    60*3+10=190
    190*4+10=770
    770*5+10=3860.


 

Related posts

2 Thoughts to “Quantitative Aptitude: Number Series Set 78”

  1. excursion mangrove martinique
    March 27, 2023 at 8:34 am

    fantastic points altogether, you simply won a new reader. What would you suggest in regards to your publish that you simply made some days ago? Any positive?

  2. Psychic Parties
    August 12, 2023 at 1:48 pm

    I was just seeking this info for some time. After six hours of continuous Googleing, at last I got it in your site. I wonder what is the lack of Google strategy that do not rank this type of informative web sites in top of the list. Normally the top sites are full of garbage.

Comments are closed.