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Logical Reasoning Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

5-15-20, 10-30-40, 4-12-15, 25-50-75
A5-15-20
B10-30-40
C4-12-15

D25-50-75

81:243, 16:64, 64:192, 25:75
A81:243
B16:64

C64:192
D25:75

1. 6, 18, 24, 120
A6
B18

C24
D120

A word and number arrangement machine when given an input line of words and numbers rearrnges them following a particular rule in each step. The following is an illstation of input and rearrangement.
Input: 51 pour 31 star new 23 47 home
Step 1 : 23 51 pour 31 star new 47 home
Step 2 : 23 star 51 pour 31 new 47 home
Step 3 : 23 star 31 51 pour new 47 home
Step 4 : 23 star 31 pour 51 new 47 home
Step 5 : 23 star 31 pour 47 51 new home
Step 6 : 23 star 31 pour 47 new 51 home
As per the rule followed in the following questions the appropriate step for the given input.

Step 3 of an input is : 36 window 45 96 86 ultra book queen
How many more steps will be required to complete the rearrangement
AThree

BFour
CFive
DSix
Explanation:

Step 3: 36 window 45 96 86 ultra book queen
Step 4: 36 window 45 ultra 96 86 book queen
Step 5: 36 window 45 ultra 86 96 book queen
Step 6: 36 window 45 ultra 86 queen 96 book

Step 2 of an input is : 17 victory 19 37 58 store like town
which of the following will be step 3
A17 victory 19 town store 37 58 like
B17 victory 19 town 37 store 58 like
C17 victory 19 town 37 58 store like

DThere will be no such step
Explanation:

Step 2: 17 victory 19 37 58 store like town
Step 3: 17 victory 19 town 37 58 store like
Step 4: 17 victory 19 town 37 store 58 like
Step 4 is the last step.

Input: nick flower 37 14 cost height 42 57
which of the following will be step 3
A14 nick 37 height flower cost 42 57
B14 nick 37 height 42 flower cost 57
C14 nick 37 flower cost height 42 57
D14 nick flower 37 cost height 42 57

Explanation:

Step 1: 14 nick flower 37 cost height 42 57
Step 2: 14 nick 37 flower cost height 42 57
Step 3: 14 nick 37 height flower cost 42 57

Input: 72 59 37 go for picnic 24 journey
How many steps will be required to complete the rearrangement
AThree
BThree
CFive
DSix

Explanation:

Step 1: 24 72 59 37 go for picnic journey
Step 2: 24 picnic 72 59 37 go for journey
Step 3: 24 picnic 37 72 59 go for journey
Step 4: 24 picnic 37 journey 72 59 go for
Step 5: 24 picnic 37 journey 59 72 go for
Step 6: 24 picnic 37 journey 59 go 72 for

Step 2 of an input is: 18 task bear cold duck 81 64 32
How many more steps will be complete the rearrangement
AThree
BFour
CFive

DSix
Explanation:

Step 2: 18 task bear cold duck 81 64 32
Step 3: 18 task 32 bear cold duck 81 64
Step 4: 18 task 32 duck bear cold 81 64
Step 5: 18 task 32 duck 64 bear cold 81
Step 6: 18 task 32 duck 64 cold bear 81
Step 7: 18 task 32 duck 64 cold 81 bear

Instructions:(1 - 5)
A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.
Input: go now 53 39 18 for again 66
Step 1 : 66 go now 53 39 18 for again
Step 2 : 66 again go now 53 39 18 for
Step 3 : 66 again 53 go now 39 18 for
Step 4 : 66 again 53 for go now 39 18
Step 5 : 66 again 53 for 39 go now 18
Step 6 : 66 again 53 for 39 go now 18
Step 7 : 66 again 53 for 39 go 18 now

Input: show 51 37 now for 82 49 goot
Which of the following steps will be the last but one
AStep 7
BStep 8
CStep 6

DStep 5
Explanation:

Step 1 : 82 show 51 37 now for 49 goot
Step 2 : 82 for show 51 37 now 49 goot
Step 3 : 82 for 51 show 37 now 49 goot
Step 4 : 82 for 51 goot show 37 now 49
Step 5 : 82 for 51 goot 49 show 37 now
Step 6 : 82 for 51 goot 49 now show 37
Step 7 : 82 for 51 goot 49 now 37 show

Step 2 of an input is: 94 car 86 window shut 52 31 house
Which of the following is definitely the input
A94 car window 86 shut 52 31 house
B86 window 94 car shut 52 31 house
Ccar shut window 86 52 31 house 94
Dcannot be determined

Input: how two 38 23 87 43 room over
Which of the following steps will be the last
AStep 4
BStep 5
CStep 6

DStep 7
Explanation:

Step 1 : 87 how two 38 23 43 room over
Step 2 : 87 how 43 two 38 23 room over
Step 3 : 87 how 43 over two 38 23 room
Step 4 : 87 how 43 over 38 two 23 room
Step 5 : 87 how 43 over 38 room two 23
Step 6 : 87 how 43 over 38 room 23 two

Input: trees 18 27 desk are 91 hour zero 31 16 chairs.
Which of the following will be step 4
A91 are 31 trees 18 27 desk hour zero 16 chairs
B91 trees 18 27 desk are hour zero 31 16 chairs
C91 are 31 chairs trees 18 27 desk hour zero 16

D91 are 31 chairs 27 desk 18 trees hour zero 16
Explanation:

Step 1 : 91 trees 18 27 desk are hour zero 31 16 chairs
Step 2 : 91 are trees 18 27 desk hour zero 31 16 chairs
Step 3 : 91 are 31 trees 18 27 desk hour zero 16 chairs
Step 4 : 91 are 31 chairs trees 18 27 desk hour zero 16
Step 5 : 91 are 31 chairs 27 trees 18 desk hour zero 16
Step 6 : 91 are 31 chairs 27 desk trees 18 hour zero 16
Step 7 : 91 are 31 chairs 27 desk 18 trees hour zero 16
Step 8 : 91 are 31 chairs 27 desk 18 hour trees zero 16

Step 9 : 91 are 31 chairs 27 desk 18 hour 16 trees zero

Step 10 : 91 are 31 chairs 27 desk 18 hour 16 trees zero

Input: chanoyu wink 24 44 57 Heinz beech 71.
How many steps will be required to complete the rearrangement
AThree
BFour
CFive
DSix

Explanation:

Write the first letters of the given problem.
Step 1 : 71 C W 24 44 57 H B
Step 2 : 71 B C W 24 44 57 H
Step 3 : 71 B 57 C W 24 44 H
Step 4 : 71 B 57 C 44 W 24 H
Step 5 : 71 B 57 C 44 H 24 W
Step 6 : 71 B 57 C 44 H 24 W

A villager went to meet his uncle in another village situated 5 km away in the North-East direction of his own village.From there he came to meet his father-in-law living in a village situated 4 km in the south of his uncle’s village .How far away and in what direction is he now
A4 km in the East
B3 km in the East

C4 km in the west
D3 km in the North

D4 km

If South-East becomes North, North-East becomes West and so on, what will West become
ANorth
BEast
CSouth-East

DNorth-West

A man went 10 kms towads South. Then turned East and covered 10 kms and turned to the right. Again after 10 kms, he turned to left and covered 10 kms to reach the destination. How far is he from his starting point
A18.8 km
B28.28 km

C16 km
D20 km
Explanation:

Distance from A to B = ?[(AC)² + (BC)²] = ?
[20² + 20²] = ?800 20?2 = 20 × 1.414 = 28.28 km

Siva Reddy walked 2 km west of his house and then turned south covering 4 km. Finally, He moved 3 km towards east and then again 1 km west. How far is he from his initial position
A10 km
B9 km
C2 km
D4 km

Explanation:

Generally solving this type of questions, the candidate draw a rough diagram while reading the question. Here Siva reddy starts from his house at A, moves 2 km west upto B, then 4 km to the south upto C, 3km east upto D and finally 1km west upto E. Now all his movements can be shown in the following diagram

Now we have to calculate the distance between A and E. From the above diagram 'ABCE' is a rectangle. AB =CE; BC = AE

∴AE = 4 km

In the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative : _tu_rt_s__usrtu
ARsurtr
BRsurts

CRsutrr
DRtusru