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# Reasoning Questions For DSSSB Exam: 8th Aug 2018 (Solutions)

Q1. Pointing to a boy, Pooja said, “He is the son of my paternal grandfather’s only daughter.” How is Pooja related to the boy?

(a) Mother
(b) Maternal Aunt
(c) Paternal Aunt
(d) None of these
Directions (2-10): In each of the following questions, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives.
Q2. 11, 10, 18, 51, 200, (?)
(a) 700
(b) 775
(c) 965
(d) 995
Q3. 161 , 164 , 179 ,  242 ,  497 ,  (?)
(a) 1530
(b) 1510
(c) 1520
(d) 1555
Q4. 122 , 170 , 290 , ?
(a) 469
(b) 355
(c) 222
(d) 362
Q5. PRLN , QSMO, ?
(a) RTNK
(b) RSNP
(c) RTNP
(d) KTNP

Q6. AZ, GT, MN, ?, YB
(a) JH
(b) SH
(c) SK
(d) TS

Q7. 3F, 6G, 11I, 18L, ?
(a) 27O
(b) 25N
(c) 25P
(d) 27P

Q8. N5V, K7T, ?, E14P, B19N
(a) H9R
(b) H10Q
(c) H10R
(d) I10R

Q9. GH, JL, NQ, SW, YD, ?
(a) EJ
(b) FJ
(c) EL
(d) FL
Q10. K    H     E
B    Y     V
S    ?     M
(a) R
(b) P
(c) O
(d) L
Solutions:
S1.Ans.(d)
Sol.  Boy = son of Pooja’s grandfather’s only daughter
= son of Pooja’s paternal aunt
= Pooja’s cousin
Hence, Pooja is also the boy’s cousin.
S2.Ans.(d)
Sol.  The pattern of the number series is as given below:
11 × 1 – 1 = 10
10 × 2 – 2 = 18
18 × 3 – 3 = 51
51 × 4 – 4 = 200
200 × 5 – 5 = 995
S4.Ans.(d)
Sol.  (11)^2 = 121+1= 122,
(13)^2= 169+1= 170
(17)^2= 289 + 1= 290,
Similarly
(19)^2 = 361 + 1 = 362
S5.Ans.(c)
Sol.
P    R    L     N
Q    S    M     O
R    T    N     P