Top 20 Reasoning MCQs For OSSC LTR Teacher 26 October 2024

Mastering reasoning is crucial for excelling in the OSSC LTR Teacher exams. This set of 20 carefully selected reasoning MCQs, tailored for OSSC LTR, will enhance logical skills and accuracy. Practicing these questions will help you tackle varied reasoning problems with confidence in the actual examination.

Top 20 Reasoning MCQs For OSSC LTR Teacher 26 October 2024

Top 20 Reasoning MCQs

Q1. If in a certain code, BREAK is written as ZPVYI, then how is TABLE written in that code?
(a) RYYJC
(b) RZKDY
(c) SZKCY
(d) QYKAY
Ans: (a) RYZJC
Sol: Each letter is shifted by -2 in the code (B -> Z, R -> P). Following this, TABLE becomes RYZJC. Middle letter in reverse.

Q2. Find the next term in the series: 5, 11, 23, 47, 95, ?
(a) 145
(b) 183
(c) 191
(d) 197
Ans: (c) 191
Sol: Each term doubles the previous term and adds 1 (5×2+1=11, 11×2+1=23, etc.). The next term is 95×2+1 = 191.

Q3. If 42 means 27, 27 means 32, and 32 means 42, then what is 27+42?
(a) 69
(b) 74
(c) 59
(d) 64
Ans: (c) 59
Sol: Substituting values, 27 + 42 = 32 + 27 = 59.

Q4. In a certain code, BOY is written as 25-12-2. How is GIRL written in that code?
(a) 19-16-9-7
(b) 20-17-8-6
(c) 20-17-9-15
(d) 18-17-10-8
Ans: (c) 20-17-9-15
Sol: Letters are represented by their positions reversed (G=20, I=17, etc.).

Q5. Choose the odd one out: 19, 37, 53, 73, 91
(a) 19
(b) 37
(c) 53
(d) 91
Ans: (d) 91
Sol: All numbers are prime except 91, which is divisible by 7 and 13.

Q6. Pointing to a lady, Aman said, “She is the daughter of the only child of my grandmother.” How is the lady related to Aman?
(a) Mother
(b) Sister
(c) Aunt
(d) Cousin
Ans: (b) Sister
Sol: Only child of Aman’s grandmother is Aman’s parent, so the lady is Aman’s sister.

Q7. If 3 × 4 = 25, 5 × 6 = 61, what is 2 × 7?
(a) 21
(b) 23
(c) 25
(d) 29
Ans: (c) 25
Sol: Pattern: $(a\times (a+b))+b=Result$. So, 5*(5*6)+6=61, (2×(2+7)+7)=25

Q8. Which of the following words cannot be formed from “INFORMATION”?
(a) FORM
(b) MINT
(c) TRAIN
(d) FRAME
Ans: (d) FRAME
Sol: The word “FRAME” requires “E” which is not in “INFORMATION.”

Q9. A person walks 10 km towards the north, then turns right and walks 5 km. Then, he turns right again and walks 10 km. In which direction is he now from the starting point?
(a) East
(b) West
(c) North
(d) South

Ans: (a) East
Sol: The person first walks 10 km north. After turning right, he goes 5 km east. Turning right again, he heads south and walks another 10 km. Now, he is 5 km east of the starting point.

Q10. Identify the middle digit of the second lowest number: 526, 435, 649, 358, 973
(a) 3
(b) 5
(c) 4
(d) 6
Ans: (a) 3
Sol: Sorted numbers are 358, 435, etc.; the middle digit of 435 is 3.

Q11. Complete the analogy: Cup : Saucer :: Book : ?
(a) Library
(b) Author
(c) Page
(d) Cover
Ans: (c) Page
Sol: A saucer complements a cup; similarly, a page is essential to a book.

Q12. Arrange in logical sequence: Eat, Sleep, Work, Earn, Shop
(a) Work, Earn, Shop, Eat, Sleep
(b) Sleep, Eat, Work, Earn, Shop
(c) Earn, Work, Shop, Sleep, Eat
(d) Shop, Eat, Work, Earn, Sleep
Ans: (b) Sleep, Eat, Work, Earn, Shop
Sol: Sleeping comes first, followed by eating, working, earning, and shopping.

Q13. If MOTHER is coded as OQVJGT, how is FATHER coded?
(a) HCVJGT
(b) GCVHGT
(c) HCVKGT
(d) GCWKHT
Ans: (a) HCVJGT
Sol: Each letter shifts by +2 in the alphabet.

Q14. Find the odd pair: (10, 20), (15, 30), (20, 50), (25, 50)
(a) (10, 20)
(b) (15, 30)
(c) (20, 50)
(d) (25, 50)
Ans: (c) (20, 50)
Sol: In all pairs except (20, 50), the second number is double the first.

Q15. Which one does not belong in the group? ACE, BDF, CEG, DGH
(a) ACE
(b) BDF
(c) CEG
(d) DGH
Ans: (d) DGH
Sol: Each option follows a +2 pattern in letters except DGH, which is +1 for the last letter.

Q16. In a row, P is 15th from the left, and Q is 10th from the right. If there are 30 students, how many students are there between P and Q?
(a) 4
(b) 5
(c) 6
(d) 3
Ans: (a) 4
Sol: Total positions: 30−(15+10)=30-25−1=4.

Q17. A clock shows 6:00. If it is turned 180°, what will the new time display be?
(a) 6:00
(b) 12:00
(c) 9:00
(d) 5:30
Ans: (c) 9:00
Sol: Turning 6:00 by 180° reflects as 9:00.

Q18. How many times does the digit 3 appear from 1 to 50?
(a) 5
(b) 10
(c) 8
(d) 15
Ans: (b) 10
Sol: Counting both in units and tens places gives 10 occurrences of 3.

Q19. Find the missing number in the series: 3, 9, 27, ?, 243
(a) 39
(b) 54
(c) 81
(d) 93
Ans: (c) 81
Sol: Pattern: Each number is multiplied by 3. So, 27 × 3 = 81.

Q20. A person moves 5 km north, then 4 km east, then 5 km south. How far is he from the starting point?
(a) 3 km
(b) 4 km
(c) 5 km
(d) 6 km
Ans: (b) 4 km
Sol: He forms a square; distance = 4 km