Aptitude Questions and Answers for TNPSC Exam Part 2
21. If a box contains 24 chocolates and you
take 6 chocolates out of it, how many chocolates are left in the box?
There are 18 chocolates left in the box.
22. If the difference between two numbers is 8
and their sum is 22, what are the numbers?
The numbers are 15 and 7.
23. What is the average of 5, 10, 15, 20, and
25?
The average is 15.
24. If a square has an area of 49 square
units, what is the length of each side of the square?
Each side is 7 units long.
25. If 30% of a number is 45, what is the
number?
The number is 150.
26. What is 12% of 500?
12% of 500 is 60.
27. If a train travels at a speed of 120
kilometers per hour, how far will it travel in 2.5 hours?
The train will travel 300 kilometers.
28. If 3/4 of a pizza is left and you eat 1/4
of it, how much of the pizza have you eaten?
You have eaten 1/4 of the pizza.
29. If the price of a shirt is increased by
15%, and the new price is Rs. 230, what was the original price?
The original price was Rs. 200.
30. If a rectangle has a length of 15 units
and a width of 10 units, what is its area?
The area is 150 square units.
31. What is the square of 7?
The square of 7 is 49.
32. If the sum of two consecutive odd numbers
is 40, what are the numbers?
The numbers are 19 and 21.
33. What is the next number in the sequence:
5, 10, 15, 20, ___?
The next number is 25.
34. If a book originally costs Rs. 450 and is
on sale for 30% off, what is the sale price of the book?
The sale price is Rs. 315.
35. If 4x - 3 = 9, what is the value of x?
x = 3
36. What is 25% of 160?
25% of 160 is 40.
37. If a car travels at a speed of 90
kilometers per hour, how long will it take to travel 180 kilometers?
It will take 2 hours.
38. If a box contains 36 marbles and you take
12 marbles out of it, how many marbles are left in the box?
There are 24 marbles left in the box.
39. If the difference between two numbers is
12 and their sum is 30, what are the numbers?
The numbers are 21 and 9.
40. What is the average of 8, 12, 16, 20, and
24?
The average is 16.
