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Reasoning Aptitude

SERIES COMPLETION MCQs

Total Questions : 919 | Page 87 of 92 pages
Question 861. Choose the missing terms out of the given alternatives : DHL, PTX, BFJ ?
  1.    CCK
  2.    KOS
  3.    NRV
  4.    RVZ
 Discuss Question
Answer: Option C. -> NRV
1st letter : D + 12 = P + 12 = B + 12 = N
2nd letter : H + 12 = T + 12 = F + 12 = R
3rd letter : L + 12 = X + 12 = J + 12 = V
Question 862. Choose the missing terms out of the given alternatives : A, G, L, P, S ?
  1.    U
  2.    W
  3.    X
  4.    Y
 Discuss Question
Answer: Option A. -> U
A + 6 = G + 5 = L + 4 = P + 3 = S + 2 = U
Question 863. Choose the missing terms out of the given alternatives : U, B, I, P, W, ?
  1.    D
  2.    F
  3.    Q
  4.    Z
 Discuss Question
Answer: Option A. -> D
U + 7 B + 7 I + 7 P + 7 W + 7 D
Question 864. Find the missing number / letters / word from the given alternative: AYBZC, DWEXF, GUHVI, JSKTL, ?
  1.    MQORN
  2.    MQNRO
  3.    NQMOR
  4.    QMONR
 Discuss Question
Answer: Option B. -> MQNRO
Ist letter : A + 3 = D + 3 = G + 3 = J + 3 = M
2nd letter : Y - 2 = W - 2 = U - 2 = S - 2 = Q
3rd letter : B + 3 = E + 3 = H + 3 = K + 3 = N
4th letter : Z - 2 = X - 2 = V - 2 = T - 2 = R
5th letter : C + 3 = F + 3 = I + 3 = L + 3 = O
Question 865. 10, 100, 200, 310, ?
  1.    400
  2.    410
  3.    420
  4.    430
 Discuss Question
Answer: Option D. -> 430
The pattern is + 90 + 100, + 110,.....
So, missing term = 310 + 120 = 430.
Question 866. 2, 7, 27, 107, 427, ?
  1.    1262
  2.    1707
  3.    4027
  4.    4207
 Discuss Question
Answer: Option B. -> 1707
The pattern is + 5, + 20, + 80, + 320, ...... i.e. + (5 x 12), + (5 x 22), + (5 x 42), + (5 x 82),.....
So, missing term = 427 + (5 x 162) = 427 + 1280 = 1707.
Question 867. 11, 10, ?, 100, 1001, 1000, 10001
  1.    101
  2.    110
  3.    111
  4.    None of these
 Discuss Question
Answer: Option A. -> 101
The pattern is - 1, x 10 + 1, - 1, x 10 + 1, - 1, x 10 + 1, .....
So, missing term = 10 x 10 + 1 = 101.
Question 868. 1, 1, 2, 6, 24, ?, 720
  1.    100
  2.    104
  3.    108
  4.    120
 Discuss Question
Answer: Option D. -> 120
The pattern is x 1, x 2, x 3, x 4,.....
So, missing term = 24 x 5 = 120.
Question 869. 10, 100, 200, 310, ?
  1.    400
  2.    410
  3.    420
  4.    430
 Discuss Question
Answer: Option D. -> 430
The pattern is + 90 + 100, + 110,.....
So, missing term = 310 + 120 = 430.
Question 870. 3, 12,27,48, 75, 108,?
  1.    147
  2.    162
  3.    183
  4.    192
 Discuss Question
Answer: Option A. -> 147
The terms of the given series are 3 x l2, 3 x 22, 3 x 32, 3 x 42, 3 x 52, 3 x 62,.....
So, missing term = 3 x 72 = 3 x 49 = 147.

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