Prepare for Odisha Police Constable exam with the top 30 logical reasoning MCQs, covering essential topics such as series, clock, nonverbal reasoning, coding-decoding, and blood relations. Designed to challenge your analytical skills and improve reasoning abilities for success in the exam.
Top 30 Logical Reasoning MCQs For Odisha Police Constable
1. Select the related word/letters/number from the given alternatives.
Foot : Man : : Hoof : ?
(a) Leg
(b) Dog
(c) Horse
(d) Shoe
Ans.(c)
Sol. Foot is the part of Man & hoof is the body part of horse.
2. If BLACKSMITH is coded as CNBELUNKUJ, then CHILDREN will be coded as ?
(a) DIJMESFO
(b) DJJNETFP
(c) DJINETEP
(d) DJJNETEP
Ans.(b)
Sol. The difference between letters are +1, +2, +1, +2, …..
so, CHILDREN → DJJNETFP
3. If 17 + 17 = 2895
18 + 18 = 3245
19 + 19 = 3615
then 23 + 23 = ?
(a) 5765
(b) 2565
(c) 4005
(d) 5295
Ans.(d)
Sol.
4. A man walked 9 km towards East and then 12 km towards South. How far is he from the starting point?
(a) 8 km
(b) 6 km
(c) 15 km
(d) 7.5 km
Ans.(c)
Sol.
5. Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.
Statement: Poverty is a symptom as well as a consequence of social disorder.
Assumptions:
- Poverty is a type of social order
- Poverty is related to social order
(a) only I assumption is correct
(b) only assumption II is correct
(c) Both assumptions I and II are correct
(d) Neither assumption I nor II is correct
Ans.(d)
Sol. Neither assumption I nor II is correct
6. If P denotes +, Q denotes –, R denotes ‘÷’, and S denotes X, then:
18S36R12Q6P7 = ?
(a) 115
(b) 65
(c) 55
(d) 25
Ans.(c)
Sol.
7. Rani was facing west, she took 10 steps forward, turned right and walked another 5 steps and turned about. What direction is she facing now?
(a) East
(b) West
(c) North
(d) South
Ans. (d)
Sol.
8. Number of letters skipped in between adjacent letters in the series decreases by two. Which of the following letter-series follows the given rule?
(a) ADGJM
(b) AJQVY
(c) ADIPY
(d) AHMPS
Ans. (b)
Sol. a + 9 = j, j + 7 = q, q + 5 = v, v + 3 = y
Directions (9-10): Find the odd words/letters/number from given alternatives.
9.
(a) Lion
(b) Panther
(c) Tiger
(d) Wolf
Ans.(d)
Sol.
Rest all are from big cat family
10. Arrange the following words as per order in the dictionary.
- Preach
- Praise
- Precinct
- Precept
- Precede
(a) 21543
(b) 21345
(c) 25143
(d) 12543
S10. Ans.(a)
Sol.
11. In the following question, select the missing number from the given series.
152, 164, 176, 188, ?, 212
(a) 196
(b) 202
(c) 200
(d) 210
Ans. (c)
Sol. +12 pattern series.
152 + 12 = 164
164 + 12 = 176
176 + 12 = 188
188 + 12 = 200
200 + 12 = 212
12. In the following question, select the odd letter/letters from the given alternatives.
(a) RLF
(b) VOI
(c) WQK
(d) MGA
Ans.(b)
Sol.
-6 pattern except option (b).
13. Select the odd word/letter/number pair from the given alternatives.
(a) Flamingo
(b) Hawk
(c) Monkey
(d) Penguin
Ans.(c)
Sol.
Except Monkey others are birds
14. Select the odd word/letter/number pair from the given alternatives.
(a) 31
(b) 37
(c) 39
(d) 41
Ans.(c)
Sol. Except 39, all others are prime numbers.
15. A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Mercury, Venus, Earth, ?
(a) Jupiter
(b) Saturn
(c) Mars
(d) Pluto
Ans.(c)
Sol.
According to the successive order of the planets of the Solar system.
Directions (Q16–17): In each of the following, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
16. 625, 5, 125, 25, 25, ?, 5
(a) 5
(b) 25
(c) 125
(d) 625
Ans.(c)
Sol. The given sequence is a combination of two series
- 625, 125, 25, 5
And II. 5, 25, ?
The pattern I is 5 while the pattern II is ×5.
So, missing term = 25 × 5 = 125
17. Saturn, Uranus, Neptune, ?
(a) Earth
(b) Venus
(c) Mars
(d) Mercury
Ans.(a)
Sol. According to size of planet in decreasing order.
18. Amar’s place is 10th in the line containing 50 members. What is his place from the other end ?
(a) 40th
(b) 20th
(c) 39th
(d) 41st
Ans.(d)
Sol. Amar’s place from the other end- 50-10+1=41st
19. Some equations are solved on the basis of a certain system. For the same basis, find the correct answer for the unsolved equation. If 837 = 452 and 206 = 769, then 708 ÷ 77 = ?
(a) 9
(b) 10
(c) 11
(d) 12
Ans.(d)
Sol.
20. Arrange the following words as per order in the dictionary.
- Page 2. Pagan
- Palisade 4. Pageant 5. Palate
(a) 1, 4, 2, 3, 5
(b) 2, 4, 1, 3, 5
(c) 1, 4, 2, 5, 3
(d) 2,1, 4, 5, 3
Ans.(d)
Sol. Pagan, Page, Pageant, Palate, Palisade.
21.What is the next number in the series: 2, 4, 8, 16, ___?
(a) 24
(b) 32
(c) 64
(d) 128
Ans: (b) 32
Sol: Each number is being doubled to obtain the next number in the series. So, 16 * 2 = 32.
22. If all cats are dogs and some dogs are birds, then which statement is true?
(a) All birds are cats.
(b) Some cats are birds.
(c) Some cats are not birds
(d)Either b or c
Ans: (c) (d)Either b or c
Sol: From the given statements, it can be inferred that there exists at least one cat which is also a bird or may not be a cat.
23. If 5 + 3 = 28, 9 + 1 = 810, then 8 + 6 = ?
(a) 2140
(b) 214
(c) 48
(d) 40
Ans: (b) 214
Sol: The pattern follows: (a + (b) = (a-(b)a+b. So, (8 + 6) = (8-6)8+6 = 214.
25. In a certain code language, “PENCIL” is written as “RGPEKN”. What is “PAPER” written as?
(a) RCRGT
(b) RCQGP
(c) RCBGP
(d) RCBHP
Ans: (a) RCRGT
Sol: Each letter in the word is replaced by the letter that comes two steps ahead in the English alphabet.
26. If a triangle has angles measuring 60°, 70°, and 50°, which type of triangle is it?
(a) Equilateral
(b) Isosceles
(c) Scalene
(d) Right-angled
Ans: (c) Scalene
Sol: Scalene triangles have all sides and angles different.
27. If circle is coded as 399335, what will be the code for square?
(a) 183195
(b) 182562
(c) 853451
(d) 257831
Ans: (a) 183195
Sol: The pattern follows: Each letter is coded with addition of its position in the English alphabet o a single digit like I=9,R=18=1+8=9. S(1+9)Q(1+7)U(2+1)A(1)R(1+8)E(5)
28. What is the missing number in the series: 3, 6, 12, 24, ___?
(a) 36
(b) 48
(c) 30
(d) 45
Ans: (b) 48
Sol: Each number is doubled to obtain the next number in the series.
29. If Monday is 1st January 2018, what day is 25th January 2018?
(a) Monday
(b) Tuesday
(c) Wednesday
(d) Thursday
Ans:
(d) Thursday
Sol: To find out what day of the week January 25th, 2018 falls on, we can count the number of days between January 1st and January 25th.January has 31 days, so January 25th is 24 days after January 1st.Since 24 is divisible by 7 (24 ÷ 7 = 3 remainder 3), it means the day of the week advances by 3 days.
So, if Monday is January 1st, then Tuesday is January 2nd, Wednesday is January 3rd, and Thursday is January 4th.
Therefore, January 25th, 2018 is a Thursday.
30. If all frogs are green and some green things are trees, then which statement is true?
(a) Some frogs are trees.
(b) All trees are frogs.
(c) Some trees are frogs.
(d) No conclusion can be drawn.
Ans: (a) Some frogs are trees.
Sol: From the given statements, it can be inferred that there exists at least one frog which is also a tree.
