1. If in a certain language, CHARCOAL is coded as 45162913, how is COAL coded?

2. A is the brother of B. B is the sister of C. C is the father of D. How is A related to D?

3. Complete the series: 3, 5, 9, 17, 33, ?

4. A person goes 5 km East, turns South and goes 12 km. How far is he from the starting point?

5. If '+' means '*', '-' means '/', '*' means '+' and '/' means '-', then what is the value of: 8 + 4 - 2 * 3 / 1?

6. A sum of money doubles itself in 5 years at simple interest. In how many years will it become four times?

7. The average of 5 consecutive numbers is 20. What is the largest of these numbers?

8. By selling an article for Rs. 720, a shopkeeper makes a loss of 10%. What was the cost price of the article?

9. Find the odd one out:

10. If 15 men can complete a work in 20 days, in how many days can 25 men complete the same work?

11. What is 20% of 50% of 300?

12. The ratio of two numbers is 3:4 and their LCM is 120. Find the sum of the two numbers.

13. A train 150 meters long passes a telegraph post in 9 seconds. What is the speed of the train in km/h?

14. Find the missing number in the series: 4, 9, 16, 25, ?, 49

15. Introducing a girl, a man said, "She is the daughter of the sister of my mother's only son." How is the man related to the girl?

16. A shopkeeper marks his goods 20% above the cost price and allows a discount of 10%. Find his gain percent.

17. What is the HCF of 24, 36 and 40?

18. The price of petrol increased by 25%. By how much percent must a user reduce consumption so as not to increase expenditure?

19. In a class of 60 students, 40% are girls. How many boys are there in the class?

20. A boat goes 8 km/h downstream and 4 km/h upstream. What is the speed of the boat in still water?

21. Complete the alphabetical series: AZ, CX, EV, ?

22. If the day before yesterday was Thursday, what day will be the day after tomorrow?

23. A rectangular field has length 20m and width 15m. What is the cost of fencing it at Rs. 10 per meter?

24. Two numbers are in the ratio 5:7. If 9 is subtracted from each, the ratio becomes 7:11. Find the difference of the numbers.

25. Find the odd term: 27, 64, 125, 144, 216

26. An article is sold at 20% profit. If it was sold at 10% profit, the seller would get Rs. 50 less. Find the cost price.

27. Find the compound interest on Rs. 10000 for 2 years at 10% per annum compound interest.

28. If A is taller than B, but shorter than C, and D is shorter than E but taller than C, who is the tallest?

29. A tank is filled by Pipe A in 6 hours and emptied by Pipe B in 8 hours. If both are opened, how long will it take to fill?

30. A clock shows 4:30. If the minute hand points South, in which direction does the hour hand point?

31. The sum of ages of a father and son is 50 years. 5 years ago, father's age was 7 times son's age. Find father's current age.

32. What is the angle between the hands of a clock at 3:40?

33. If 10th January 2024 was a Wednesday, what day was 10th January 2025?

34. Complete the series: 2, 6, 12, 20, 30, ?

35. Find the missing term: B2D, E3G, H4J, ?

36. A man walks 4 km North, then 3 km East. How far is he from the starting point?

37. If in a code language, PENCIL is written as QFODJM, how is PAPER written?

38. Point M is 10m South of N. P is 10m East of N. In which direction is M with respect to P?

39. Find the odd word:

40. If A = 1, FAT = 27, then FAITH = ?

41. A man buys an item for Rs. 500 and sells it for Rs. 600. What is his profit percentage?

42. If a number is increased by 20% and then decreased by 20%, what is the net change?

43. Find the average of first 50 natural numbers.

44. Find the value of x: 3x + 5 = 20

45. What is the square root of 625?

46. Find the simple interest on Rs. 5000 at 8% per annum for 3 years.

47. A can do a piece of work in 10 days and B in 15 days. In how many days can they do it together?

48. The ratio of present ages of two brothers is 1:2. Five years ago, the ratio was 1:3. What will be their ratio after 5 years?

49. The speed of a car is 72 km/h. What is its speed in m/s?

50. If the side of a square is increased by 10%, by how much percent does its area increase?

51. Complete the series: 1, 8, 27, 64, ?

52. If KASHMIR is coded as 8142753, how is RIMSHAK coded?

53. Find the odd number out: 3, 5, 7, 9, 11, 13

54. A man is facing North. He turns 90 degrees clockwise and then 180 degrees anti-clockwise. Which direction is he facing now?

55. Find the number of triangles in a pentagram (5-pointed star).

56. What is the unit digit in the product 2467^153?

57. Find the sum of all prime numbers between 1 and 20.

58. If a card is drawn at random from a pack of 52 cards, what is the probability of getting a king?

59. A person travels a distance at 40 km/h and returns at 60 km/h. What is his average speed?

60. Find the value of: 0.03 * 0.3 * 3

61. Identify the next term: Z1A, X2D, V6G, T24J, ?

62. In a certain code, ROAD is written as URDG. How is SWAN written?

63. Find the wrong term in: 2, 5, 10, 17, 26, 37, 50, 64

64. If all words are arranged alphabetically, which comes third? (Apple, Apricot, Ancient, Anchor)

65. A is B's sister. C is B's mother. D is C's father. E is D's mother. How is A related to D?

66. Find the LCM of 12, 15 and 20.

67. What is the value of: 10 + 10 * 10 / 10 - 10?

68. The area of a circle is 154 sq cm. What is its circumference?

69. By selling a watch for Rs. 1440, a man loses 10%. At what price should he sell it to gain 10%?

70. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

71. Which number replaces the question mark? 5, 11, 23, 47, 95, ?

72. Find the missing number in: 2, 3, 5, 8, 12, 17, ?

73. Complete the series: Y, W, T, P, ?

74. Find the angle of elevation of the sun when the length of the shadow of a tree is equal to its height.

75. A cube of side 4cm is painted red on all sides. It is cut into 1cm cubes. How many small cubes have three sides painted?

76. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?

77. A sum of money compound interest amounts to Rs. 4624 in 2 years and Rs. 4913 in 3 years. Find the rate of interest per annum.

78. Find the diagonal of a rectangle of length 8cm and width 6cm.

79. A man's age is 3 times his son's age. In 15 years, he will be double his son's age. Find the son's present age.

80. If log 2 = 0.3010, what is the value of log 50?

81. In a group of cows and chickens, the number of legs is 14 more than twice the number of heads. Find the number of cows.

82. Find the probability of getting a sum of 7 when rolling two fair dice.

83. A train passes a 50m long platform in 14 seconds and a man standing on the platform in 10 seconds. Find the speed of the train.

84. What is the decimal equivalent of binary number 10101?

85. If 3x + 7y = 25 and 7x + 3y = 15, then what is the value of x + y?

86. The volume of a sphere of radius 3cm is:

87. Find the average of all prime numbers between 20 and 40.

88. If 10% of x is the same as 20% of y, then x:y is:

89. A seller gives a single discount equal to two successive discounts of 20% and 10%. What is it?

90. Complete: 121, 144, 169, 196, ?

91. If in a certain code language, BUILDER is coded as JVCKSFE, how is SEALING coded?

92. Pointing to a man, woman says, "He is the only son of my mother's mother." How is woman related to man?

93. Which word cannot be formed from the letters of the word 'CONSTITUTION'?

94. If 'Blue' is called 'Green', 'Green' is called 'Yellow', 'Yellow' is called 'Red', and 'Red' is called 'White', what is the color of turmeric?

95. A watch reads 9:00. If the hour hand points South-West, in which direction does the minute hand point?

96. Arrange in logical sequence: 1. Key, 2. Door, 3. Lock, 4. Room, 5. Switch on

97. How many seconds are there in 2 hours and 20 minutes?

98. Find the sum of interior angles of a regular hexagon.

99. If log x + log 4 = log 20, what is the value of x?

100. Find the mode of the dataset: 5, 3, 5, 2, 5, 1, 5, 4, 2, 5, 9