Aptitude Questions and Answers for TNPSC Exam Part 3
41. If a square has an area of 64 square
units, what is the length of each side of the square?
Each side is 8 units long.
42. If 20% of a number is 30, what is the number?
The number is 150.
43. What is 10% of 400?
10% of 400 is 40.
44. If a train travels at a speed of 150
kilometers per hour, how far will it travel in 2 hours?
The train will travel 300 kilometers.
45. If 2/3 of a pizza is left and you eat 1/3
of it, how much of the pizza have you eaten?
You have eaten 1/3 of the pizza.
46. If the price of a shirt is increased by
20%, and the new price is Rs. 240, what was the original price?
The original price was Rs. 200.
47. If a rectangle has a length of 18 units
and a width of 12 units, what is its area?
The area is 216 square units.
48. What is the square of 8?
The square of 8 is 64.
49. If the sum of two consecutive even numbers
is 28, what are the numbers?
The numbers are 14 and 16.
50. What is the next number in the sequence:
6, 12, 18, 24, ___?
The next number is 30.
51. If a book originally costs Rs. 350 and is
on sale for 15% off, what is the sale price of the book?
The sale price is Rs. 297.50.
52. If 5x + 4 = 29, what is the value of x?
x = 5
53. What is 30% of 180?
30% of 180 is 54.
54. If a car travels at a speed of 80
kilometers per hour, how long will it take to travel 160 kilometers?
It will take 2 hours.
55. If a box contains 48 chocolates and you
take 18 chocolates out of it, how many chocolates are left in the box?
There are 30 chocolates left in the box.
56. If the difference between two numbers is
16 and their sum is 42, what are the numbers?
The numbers are 29 and 13.
57. What is the average of 7, 14, 21, 28, and
35?
The average is 21.
58. If a square has an area of 81 square
units, what is the length of each side of the square?
Each side is 9 units long.
59. If 25% of a number is 35, what is the
number?
The number is 140.
60. What is 15% of 120?
15% of 120 is 18.
