Reasoning Quiz for SSC CGL 2016

Q1. Town D is 13 km towards the East of town A. A bus starts from town A, travels 8 km towards West and takes a right turn. After taking the right turn, it travels 5 km and reaches town B. From town B the bus takes a right turn again, travels 21 km and stops. How far and towards which direction must the bus travel to reach town D?
(a) 13 km towards South
(b) 5 km towards West
(c) 21 km towards South
(d) 5 km towards South

Q2. 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
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.

Q3. In a row of children facing North, Ritesh is twelfth from the left end. Sudhir who is twenty-second from the right end is fourth to the right of Ritesh. Total how many children are there in the row?
(a) 35
(b) 36
(c) 37
(d) 34

Directions(4-7):For each of the following questions there is some relationship between the two terms to the left of :: and the same relationship obtains between the two terms to its right. In each of these questions the fourth term is missing. This term is one of the alternatives among the five terms given below. Find out this term.

Q4. XWV : UTS : : LKJ : … ?
(a) IHG
(b) JKL
(c) STU
(d) MNO
Ans.(a)
Sol.  The letters in first and second terms are in reverse order of alphabet.

Q5. NUMBER : UNBMRE : : GHOST : ?
(a) HOGST
(b) HOGTS
(c) HGOST
(d) HGSOT
Ans.(d)
Sol.  First two letters of the first term are in reverse order in the second term and so are the next two letters.

Q6. 3 : 10 : : 48 : ?
(a) 19
(b) 65
(c) 78
(d) 72
Ans.(b)
Sol.  First
term = 2
2
– 1
Second
term = 3
2
+ 1
Third
term = 7
2
– 1
Fourth
term = 8
2
+ 1

Q7. 08 : 09 : : 64 : ?
(a) 16
(b) 25
(c) 125
(d) 32
Ans.(b)
Sol.  First
term = 2
3.
Second
term = 3
2
Third
term = 4
3
Fourth
term = 5
2

Directions(8-9):What should come in place of question mark (?) in the following number series?

Q8. 11 10 18 51 200 (?)
(a) 885
(b) 1025
(c) 865
(d) 995
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

Q9. 161 , 164 , 179 ,  242 ,  497 ,  (?)
(a) 1540
(b) 1480
(c) 1520
(d) 1440

Directions(10-12):In each of these questions, a number series is given. In each series, only one number is wrong number. Find out the wrong number.

Q10. 9050 ,  5675 ,  3478 ,  2147 ,  1418 ,  1077 ,  859
(a) 3478
(b) 1418
(c) 5675
(d) 1077
Ans.(d)
Sol.  The
pattern of number series is as follows:
9050
– 15
3 =
9050 – 3375 = 5675
5675
– 13
3
= 5675 – 2197 = 3478
3478
– 11
3
= 3478 – 1331 = 2147
2147
– 9
3
= 2147 – 729 = 1418
1418 –
7
3 =
1418 – 343 = 1075
[1077]

Q11. 8 , 12 , 24 , 46 , 72 , 108 , 216
(a) 12
(b) 24
(c) 46
(d) 72
Ans.(c)
Sol.  The series is
×1.5, × 2, ×1.5, ×2, ×1.5, ×2, …..
24×1.5 = 36
So, 46 is wrong.

Q12. 7 , 12 , 40 , 226 , 1742 , 17854
(a) 7
(b) 12
(c) 40
(d) 1742
Ans.(d)
Sol.  The pattern of number series is as follows:
7 × 2 – (0 + 2) = 12
12 × 4 – (2 + 6) = 48 – 8 = 40
40 × 6 – (4 + 10) = 240 – 14 = 226
226 × 8 – (6 + 14) = 1808 –  20= 1788  [1742]
1788× 10 – (8 + 18) = 17880 – 26 = 17854

Q13. Which one of the letters when sequentially placed at the gaps in the given letter series shall complete it?
a – c a – ab – a – ab – ab
(a) b b a b c
(b) b a b a a
(c) a a b b b
(d) b b c b c
Ans.(d)
Sol.  The series is abcab/ abcab/ abcab

Q14. Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Diabetes
(b) Smallpox
(c) Conjunctivitis
(d) Chickenpox
Ans.(a)
Sol.  Except Diabetes, all others are infectious diseases.

Q15. Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Mustard
(b) Jowar
(c) Wheat
Ans.(a)
Sol.  Except Mustard, all others are grains. Mustard is an oilseed.

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