Logical reasoning and puzzles. - One Line Questions

1. In a class, there are 15 boys and 10 girls. If the probability of selecting a boy is 3/5, what is the probability of selecting a girl? — 2/5
2. Find the odd one out: 10, 20, 30, 40, 55 — 55
3. Find the next term in the series: 1, 1, 2, 3, 5, 8, ... — 13
4. Find the odd one out: 121, 144, 169, 196, 225 — 121
5. Which of the following is a perfect square? — 144
6. A clock shows 3:00 PM. In how many minutes will it show 3:30 PM? — 30
7. A sum of money doubles itself in 10 years. In how many years will it triple itself? — 20 years
8. If 'EAT' is coded as '3120', how is 'TEA' coded? — 2013
9. Find the number of cubes in the following structure. (A 3x3x3 cube made of smaller cubes) — 27
10. Find the number of straight lines in the following figure. (A square with one diagonal) — 3
11. Find the next term in the sequence: 1, 4, 9, 16, 25, ... — 36
12. A train travels at 60 km/hr. How many seconds will it take to cover a distance of 1.5 km? — 90 seconds
13. If 'DEAF' is coded as '1234', how is 'FACE' coded? — 3412
14. Find the next number in the series: 2, 5, 10, 17, 26, ... — 37
15. Which number replaces the question mark in the following figure? (A 3x3 grid with numbers: top row 1, 2, 3; middle row 4, ?, 6; bottom row 7, 8, 9) — 5
16. How many triangles are there in the given figure? (A figure with a large triangle divided into four smaller triangles by lines from the apex to the base) — 4
17. A man is 4 times as old as his son. In 5 years, he will be 3 times as old as his son. What is the present age of the man? — 40 years
18. What is the value of X? (A series of equations: 2*3=8, 3*4=15, 4*5=24, 5*6=35, 6*7=?) — 42
19. If 'ORANGE' is coded as '314526', how is 'GREEN' coded? — 42253
20. What is the total number of hours in 3 days? — 72
21. If in a certain language, 256 means 'You are good', 637 means 'We are bad', and 453 means 'You have bad', what does 'have' mean? — 4
22. A man is 40 years old and his son is 10 years old. In how many years will the son be one-third the father's age? — 10 years
23. A watch, when held upside down, shows 6:30. What is the actual time? — 5:30
24. If 'GO' is coded as '20', 'SHE' is coded as '49', then 'SOME' is coded as: — 60
25. Find the odd one out: 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101 — 53
26. Find the missing number in the series: 8, 15, 24, 35, 48, ? — 60
27. Which number replaces the question mark? (A 2x2 grid with numbers: top-left 5, top-right 8; bottom-left 7, bottom-right ?) — 10
28. Which word does NOT belong with the others? — Bicycle
29. If 'Apple' is coded as 'BQQMF', how would 'Banana' be coded? — CBOOBA
30. If 'CAT' is coded as 'DOG', 'RAT' is coded as 'POT', then 'BAT' is coded as: — BOT
31. In a certain code, 'BRIGHT' is written as 'DSJHIU'. How is 'DEEP' written in that code? — EFDS
32. If 'WATER' is coded as 'XBUFS', how is 'EARTH' coded? — FBSUI
33. Pointing to a photograph, a man said, "I have no brother or sister, but that man's father is my father's son." Who is in the photograph? — His Son
34. If 'ROSE' is coded as 'ESOR', how is 'BOOK' coded? — KOOB
35. If the 1st of January is a Monday, then the 1st of March of the same year will be a: — Wednesday
36. A person is facing North. He turns 45 degrees clockwise, then 90 degrees anti-clockwise, then 180 degrees clockwise. In which direction is he facing now? — North
37. A man is facing West. He turns 90 degrees clockwise, then 180 degrees anti-clockwise, then 45 degrees clockwise. In which direction is he facing now? — South
38. If 'MAMA' is coded as 'LBLB', how is 'PAPA' coded? — OZOZ
39. If 'Pen' is called 'Book', 'Book' is called 'Table', 'Table' is called 'Chair', and 'Chair' is called 'Window', what do you write on? — Chair
40. If 'TABLE' is coded as 'EBATL', how is 'CHAIR' coded? — RIAHC
41. If 'TABLE' is written as 'BMELT', how is 'CHAIR' written? — RDHJR
42. A family consists of a father, mother, son, and daughter. The father is the brother of the aunt. The mother is the sister-in-law of the aunt. How is the mother related to the father? — Wife
43. A man walks 5 km north, then 4 km east, then 3 km south, then 2 km west. How far is he from his starting point? — sqrt(10) km
44. Which figure comes next in the series? (A series of shapes changing: Square, Circle, Triangle, Square, Circle, ?) — Triangle
45. Find the missing letter in the series: A, C, F, J, O, ? — T
46. If 1 is coded as A, 2 as B, 3 as C, ..., 26 as Z, then 20-8-5 is coded as: — T I E
47. Which word is the odd one out? — Circle
48. Find the next letter in the series: Z, Y, X, W, V, ... — U
49. If the day before yesterday was Saturday, what day will the day after tomorrow be? — Thursday
50. If 'CAT' is related to 'DOG' in the same way 'MAN' is related to which of the following? — WOMAN
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