Arithmetic is a fundamental branch of mathematics that deals with basic operations like addition, subtraction, multiplication, and division. Mastering arithmetic is crucial for various competitive exams, including those for positions like Revenue Inspector (RI), Assistant Revenue Inspector (ARI), Amin, SFS, and ICDS Supervisor conducted by the Odisha Subordinate Staff Selection Commission (OSSSC). This article presents 30 moderate-level arithmetic MCQs with answers to help you sharpen your skills and enhance your preparation for these exams.
Top 30 Arithmetic MCQS For OSSSC RI,ARI, Amin, SFS, ICDS Supervisor
Top 30 Arithmetic Multiple-Choice Questions (MCQs) for OSSSC RI, ARI, Amin, SFS, ICDS Supervisor: Test Your Skills!
- Question: If a shirt costs Rs. 40 after a 20% discount, what was its original price?
- A. Rs. 32
- B. Rs. 44
- C. Rs. 50
- D. Rs. 48
Answer: B. Rs. 44
- Question: The product of two consecutive even numbers is 168. What are the numbers?
- A. 12, 14
- B. 14, 16
- C. 10, 12
- D. 16, 18
Answer: A. 12, 14
- Question: A car travels 240 miles in 4 hours. What is its average speed?
- A. 50 mph
- B. 60 mph
- C. 40 mph
- D. 55 mph
Answer: B. 60 mph
- Question: The sum of three consecutive integers is 54. What are the integers?
- A. 17, 18, 19
- B. 16, 17, 18
- C. 18, 19, 20
- D. 15, 16, 17
Answer: C. 18, 19, 20
- Question: If 3x – 5 = 10, what is the value of x?
- A. 5
- B. 3
- C. 2
- D. 4
Answer: A. 5
- Question: The perimeter of a rectangle is 30 cm. If the length is 8 cm, what is the width?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
Answer: A. 6 cm
- Question: If 20% of a number is 25, what is 30% of that number?
- A. 35
- B. 45
- C. 30
- D. 40
Answer: D. 40
- Question: The difference between a number and its three-fifths is 24. What is the number?
- A. 40
- B. 36
- C. 30
- D. 45
Answer: B. 36
- Question: The ratio of boys to girls in a class is 3:2. If there are 25 girls, how many boys are there?
- A. 15
- B. 30
- C. 20
- D. 25
Answer: C. 20
- Question: The sum of two numbers is 48, and their difference is 12. What are the numbers?
- A. 30, 18
- B. 24, 24
- C. 20, 28
- D. 36, 12
Answer: C. 20, 28
- Question: If the area of a square is 49 square units, what is the length of its side?
- A. 6 units
- B. 7 units
- C. 8 units
- D. 9 units
Answer: B. 7 units
- Question: A train covers 400 km in 5 hours. What is its speed in km per hour?
- A. 80 km/h
- B. 75 km/h
- C. 85 km/h
- D. 70 km/h
Answer: A. 80 km/h
- Question: If the average of five numbers is 15, what is their sum?
- A. 75
- B. 60
- C. 80
- D. 65
Answer: A. 75
- Question: The cost of 3 pens and 4 pencils is Rs. 24. If a pen costs Rs. 5, what is the cost of a pencil?
- A. Rs. 3
- B. Rs. 2
- C. Rs. 4
- D. Rs. 5
Answer: A. Rs. 3
- Question: If the volume of a cube is 64 cubic units, what is the length of its side?
- A. 2 units
- B. 3 units
- C. 4 units
- D. 5 units
Answer: B. 4 units
- Question: The sum of the first 10 prime numbers is:
- A. 129
- B. 1290
- C. 120
- D. 142
Answer: A. 129
- Question: The difference between two numbers is 12, and their product is 144. What are the numbers?
- A. 18, 6
- B. 16, 8
- C. 14, 10
- D. 12, 12
Answer: B. 16, 8
- Question: If the average of four numbers is 25, what is their sum?
- A. 100
- B. 80
- C. 90
- D. 110
Answer: A. 100
- Question: A rectangular garden has a length of 12 meters and a width of 8 meters. What is its area?
- A. 96 sq. meters
- B. 80 sq. meters
- C. 100 sq. meters
- D. 112 sq. meters
Answer: A. 96 sq. meters
- Question: If the interest on a sum of money is Rs. 15 for one year at 5%, what is the principal amount?
- A. Rs. 200
- B. Rs. 250
- C. Rs. 300
- D. Rs. 350
Answer: C. Rs. 300
21. Question: In a right-angled triangle, if one acute angle is 30 degrees, what is the measure of the other acute angle?
- A. 30 degrees
- B. 60 degrees
- C. 90 degrees
- D. 45 degrees
Answer: D. 45 degrees
22. Question: If two angles of a triangle are 45 degrees and 75 degrees, what is the measure of the third angle?
- A. 60 degrees
- B. 90 degrees
- C. 120 degrees
- D. 180 degrees
Answer: A. 60 degrees
23. Question: What is the perimeter of a rectangle with length 8 cm and width 5 cm?
- A. 10 cm
- B. 16 cm
- C. 26 cm
- D. 36 cm
Answer: B. 26 cm
24. Question: The diameter of a circle is 14 cm. What is its radius?
- A. 7 cm
- B. 14 cm
- C. 21 cm
- D. 28 cm
Answer: A. 7 cm
25. Question: If the area of a square is 49 square units, what is the length of one side?
- A. 6 units
- B. 7 units
- C. 8 units
- D. 9 units
Answer: B. 7 units
26. Question: The volume of a cube is 125 cubic units. What is the length of one side?
- A. 5 units
- B. 6 units
- C. 7 units
- D. 8 units
Answer: A. 5 units
27. Question: If the base of a triangle is 10 cm and its height is 8 cm, what is the area of the triangle?
- A. 40 sq. cm
- B. 50 sq. cm
- C. 60 sq. cm
- D. 80 sq. cm
Answer: C. 60 sq. cm
28. Question: The circumference of a circle is 22 cm. What is its radius?
- A. 3.5 cm
- B. 7 cm
- C. 11 cm
- D. 14 cm
Answer: B. 7 cm
29. Question: If the opposite angles of a parallelogram are equal, what type of parallelogram is it?
- A. Rectangle
- B. Rhombus
- C. Square
- D. Trapezium
Answer: A. Rectangle
30. Question: What is the sum of the interior angles of a hexagon?
- A. 120 degrees
- B. 180 degrees
- C. 360 degrees
- D. 720 degrees
Answer: C. 360 degrees
