In the competitive landscape of OSSSC (Odisha Sub-ordinate Staff Selection Commission) exams such as RI (Revenue Inspector), ARI (Assistant Revenue Inspector), Amin, SFS (Statistical Field Surveyor), and ICDS Supervisor, a strong foundation in arithmetic is crucial. Arithmetic forms the backbone of numerical aptitude and is an essential skill set for these examinations. To help you hone your arithmetic skills, here’s a curated list of the top 30 arithmetic multiple-choice questions (MCQs) with answers, ranging from moderate to difficult levels.
Top 30 Arithmetic MCQS For OSSSC RI,ARI, Amin, SFS, ICDS Supervisor
These arithmetic questions are designed to challenge your quantitative aptitude and provide valuable practice for OSSSC RI, ARI, Amin, SFS, and ICDS Supervisor exams. Regular practice with such questions will not only improve your accuracy but also boost your confidence in handling complex numerical scenarios. Remember, mastering the basics of arithmetic is the key to success in these competitive examinations. Good luck!
- Train A moving at a speed of 72 km/h crosses train B moving at 3/4th speed of train A in the same direction in 1 min and 26 seconds. The length of train A is 25/18th of the length of train B. What is the difference between the lengths of two trains?(A) 70 m
(B) 85 m
(C) 110 m
(D) 60 m
(E) 90 m
Answer: (A) 70 m
- Two trains of lengths 100 m and 140 m respectively are running in opposite directions on parallel tracks. If their speeds are 29 km/h and 43 km/h respectively, in what time will they cross each other?
(A) 14 seconds
(B) 10 seconds
(C) 20 seconds
(D) 16 seconds
(E) 12 seconds
Answer: (E) 12 seconds
- The speed of train A and train B is 93 km/h and 51 km/h, respectively. When both the trains are running in the opposite direction, they cross each other in 18 seconds. The length of train B is half of the length of train A. If train A crosses a bridge in 42 seconds, then find the length of the bridge.
(A) 610 m
(B) 480 m
(C) 605 m
(D) 240 m
(E) 485 m
Answer: (C) 605 m
- A train of length 287 m, running at 80 km/h, crosses another train moving in the opposite direction at 37 km/h in 18 seconds. What is the length of the other train?
(A) 300 m
(B) 298 m
(C) 289 m
(D) 285 m
Answer: (B) 298 m
- A 480 m long train takes 16 seconds to pass a pole. How long will it take to pass a platform that is 900 m long?
(A) 47 seconds
(B) 45 seconds
(C) 46 seconds
(D) 48 seconds
Answer: (C) 46 seconds
- The speed of two trains are in the ratio 6:7. If the second train covers 364 km in 4 hours, then what is the speed of the first train?
(A) 72
(B) 58
(C) 78
(D) 25
Answer: (A) 72
- A train covers a 400 m distance in 24 sec. What is its speed?
(A) 30 km/h
(B) 5 km/h
(C) 60 km/h
(D) 45 km/h
Answer: (C) 60 km/h
- A train 270 meters long is running at a speed of 36 km per hour. How long will it take to cross a bridge of length 180 meters?
(A) 40 sec
(B) 45 sec
(C) 50 sec
(D) 35 sec
Answer: (B) 45 sec
- The product of 2 numbers is 1575 and their quotient is 9/7. Then the sum of the numbers is –
(A) 74
(B) 78
(C) 80
(D) 90
Answer: (C) 80
- 6 + √6 + √6 + … is equal to –
(A) 2
(B) 5
(C) 4
(D) 3
Answer: (D) 3
- The sum of the squares of two natural consecutive odd numbers is 394. The sum of the numbers is –
(A) 32
(B) 24
(C) 40
(D) 28
Answer: (D) 28
- When (6767 + 67) is divided by 68, the remainder is –
(A) 1
(B) 67
(C) 66
(D) 63
Answer: (C) 66
- In a division sum, the divisor is 4 times the quotient and twice the remainder. If a and b are respectively the divisor and the dividend then –
(A) 4b – a^2 / a = 3
(B) 4b – 2a / a^2 = 2
(C) (a + 1)^2 = 4b
(D) a(a + 2) / b = 4
Answer: (C) (a + 1)^2 = 4b
- If 738A6A is divisible by 11, then the value of A is –
(A) 6
(B) 3
(C) 9
(D) 1
Answer: (C) 9
- The least positive integer that should be subtracted from 3011 * 3012 so that the difference is a perfect square is –
(A) 3009
(B) 3010
(C) 3011
(D) 3012
Answer: (C) 3011
- P, Q, R are employed to do a work for Rs. 5750. P and Q together finished 19/23 of work and Q and R together finished 8/23 of work. Wage of Q, in rupees, is –
(A) 2850
(B) 3750
(C) 2750
(D) 1000
Answer: (D) 1000
- A can do a piece of work in 24 days, B in 32 days, and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?
(A) 15
(B) 20
(C) 18
(D) 30
Answer: (B) 20
- Nandita scored 80% marks in five subjects together: Hindi, Science, Mathematics, English, and Sanskrit, where the maximum marks of each subject were 105. How many marks did Nandita score in Science, if she scored 89 marks in Hindi, 92 marks in Sanskrit, 98 marks in Mathematics, and 81 marks in English?
(a) 60
(b) 75
(c) 65
(d) 70
Answer: (a) 60
A number is divided into two parts in such a way that 80% of the 1st part is 3 more than 60% of the 2nd part, and 80% of the 2nd part is 6 more than 90% of the 1st part. Then the number is:
(a) 125
(b) 130
(c) 135
(d) 145
Answer: (c) 135
- The expenses on rice, fish, and oil of a family are in the ratio 12:17:3 respectively. The price of these articles is increased by 20%, 30%, and 50% respectively. The total expenses increased by:
(a) 113/8%
(b) 57/8%
(c) 449/8%
(d) 225/8%
Answer: (d) 225/8%
- The cost of a piece of diamond varies with the square of its weight. A diamond of Rs. 5184 value is cut into 3 pieces whose weights are in the ratio 1:2:3. Find the loss involved in the cutting.
(a) Rs. 3068
(b) Rs. 3088
(c) Rs. 3175
(d) Rs. 3168
Answer: (d) Rs. 3168
- The total strength of Capital Education is 5000. The number of males and females increases by 8% and 16% respectively, and the strength becomes 5600. What was the number of males at Capital Education?
(a) 2500
(b) 2000
(c) 3000
(d) 4000
Answer: (a) 2500
- The rates of simple interest in two banks A and B are in the ratio 5:4. A person wants to deposit his total savings in these two banks in such a way that he receives equal half-yearly interest from both. He should deposit the savings in banks A and B in the ratio:
(a) 2:5
(b) 4:5
(c) 5:2
(d) 5:4
Answer: (b) 4:5
- One year ago the ratio between Laxman’s and Gopal’s salary was 3:4. The ratios of their individual salaries between last year’s and this year’s salaries are 4:5 and 2:3 respectively. At present, the total of their salary is Rs. 4160. The salary of Laxman, now is:
(a) Rs. 1040
(b) Rs. 1600
(c) Rs. 2560
(d) Rs. 3120
Answer: (b) Rs. 1600
- In a village, each of the 60% of families has a cow; each of the 30% of families has a buffalo, and each of the 15% of families has both a cow and a buffalo. In all, there are 96 families in the village. How many families do not have a cow or a buffalo?
(a) 20
(b) 24
(c) 26
(d) 17
Answer: (b) 24
- A businessman imported a Laptop, worth Rs. 210000, Mobile phones worth Rs. 100000, and Television sets worth Rs. 150000. He had to pay 10% duty on Laptops, 8% on phones, and 5% on Television sets as a special case. How much total duty (in rupees) he had to pay on all items as per the above details?
(a) 36500
(b) 37000
(c) 37250
(d) 37500
Answer: (a) 36500
- 60% of students in a college study math, 55% study commerce, and 15% study both. If the ratio of boys to girls who study math only is 3:2 and the ratio of boys to girls who study commerce only is 2:3, then the total number of boys who study only math and only commerce together is what percent of the total number of girls who study only math and only commerce together? (in approximate)
(a) 102%
(b) 109%
(c) 117%
(d) 123%
Answer: (a) 102%
- Mr. Raghav owned a flat for Rs. 13.2 lacs. He spends 20% of his monthly salary on its paintings, 25% on lighting and furniture, and 15% on foods and other supplements. If Mr. Raghav’s annual salary is 10.8 lacs, then find the total spending made by Mr. Raghav.
(a) 137.4 lacs
(b) 1.374 lacs
(c) 13.74 lacs
(d) 11.74 lacs
Answer: (c) 13.74 lacs
- The entrance ticket of an exhibition was Rs. 5. Later, it was decreased by 20%, and thus the sale amount is increased by 44%. What was the percentage increase in the number of visitors?
(a) 64%
(b) 24%
(c) 80%
(d) 20%
Answer: (c) 80%
- A tree’s height increases annually by 1/8th of its height. By how much will its height increase after 2.5 years if it stands today at 10 m height?
(a) 3 m
(b) 3.44 m
(c) 3.6 m
(d) 3.88 m
Answer: (b) 3.44 m
- A number X is less than another number Y. Number Y is three fourth of 24. Find the sum of the two numbers X and Y.
(a) 30
(b) 33
(c) 36
(d) 24
Answer: (b) 33
