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!
1. A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it?
A) 10 hours
B) 12 hours
C) 8 hours
D) 24 hours
Answer: B) 12 hours
2. If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
A) 60 days
B) 45 days
C) 40 days
D) 30 days
Answer: A) 60 days
3. A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in?
A) 20 days
B) 25 days
C) 15 days
D) 18 days
Answer: A) 20 days
4. If A and B together can complete a work in 18 days, A and C together in 12 days, and B and C together in 9 days, then B alone can do the work in?
A) 18 days
B) 24 days
C) 30 days
D) 40 days
Answer: B) 24 days
5. A and B can do a piece of work in 10 days, B and C in 15 days, and C and A in 20 days. C alone can do the work in?
A) 60 days
B) 120 days
C) 80 days
D) 30 days
Answer: B) 120 days
6. A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In how many days can all three together do the work?
A) 80 days
B) 100 days
C) 60 days
D) 150 days
Answer: C) 60 days
7. 8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed?
A) 2
B) 3
C) 4
D) 5
Answer: C) 4
8. A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last?
A) 10 days
B) 20 days
C) 15 days
D) 6 days
Answer: A) 10 days
9. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it?
A) 4 days
B) 5 days
C) 6 days
D) 8 days
Answer: B) 5 days
10. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
A) 50 days
B) 45 days
C) 40 days
D) 35 days
Answer: C) 40 days
11. If A can complete a work in 20 days and B can complete it in 40 days, then if they work together for 5 days, what fraction of the work is left?
A) 5/8
B) 8/15
C) 7/15
D) 1/10
Answer: A) 5/8
12. If A does half as much work as B in three-fourths of the time, and together they complete a work in 18 days, how much time will B alone take to do it?
A) 40 days
B) 45 days
C) 50 days
D) 30 days
Answer: D) 30 days
13. If Tapas works twice as fast as Mihir, and together they complete a work in 12 days, how many days will Tapas alone take to complete it?
A) 15 days
B) 18 days
C) 20 days
D) 24 days
Answer: B) 18 days
14. If 4 mat-weavers can weave 4 mats in 4 days, at the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
A) 4
B) 8
C) 12
D) 16
Answer: D) 16
15. If 7 men can complete a piece of work in 12 days, how many additional men will be required to complete double the work in 8 days?
A) 28
B) 21
C) 14
D) 7
Answer: C) 14
16. If 5 men or 7 women can earn $5,250 per day, how much would 7 men and 13 women earn per day?
A) $11,600
B) $11,700
C) $16,100
D) $17,100
Answer: D) $17,100
17. If 2 men and 1 woman can complete a piece of work in 14 days, while 4 women and 2 men can do the same work in 8 days, and if a man gets Rs. 180 per day, then how much will a woman get per day?
A) Rs. 150
B) Rs. 140
C) Rs. 120
D) Rs. 160
Answer: C) Rs. 120
18. If A can complete a piece of work in 60 days, and he works for 15 days and then B alone finishes the remaining work in 30 days, how many days will they take to finish the work together?
A) 24 days
B) 25 days
C) 30 days
D) 32 days
Answer: A) 24 days
19. If two persons, with equal abilities, can do two jobs in two days, then 100 persons with equal abilities can do 100 similar jobs in how many days?
A) 100 days
B) 10 days
C) 5 days
D) 2 days
Answer: D) 2 days
20. If A and B together can complete a work in 24 days, and B alone does 1/3 part of this work in 12 days, then how many days will A alone take to complete the remaining work?
A) 24 days
B) 36 days
C) 48 days
D) 72 days
Answer: C) 48 days
21. A does half as much work as B in one-third of the time taken by B. If together they take 10 days to complete a work, then the time taken by B alone to do it would have been?
A) 30 days
B) 25 days
C) 6 days
D) 12 days
Answer: B) 25 days
22. A man, a woman, and a boy together finish a piece of work in 6 days. If a man and a woman can do the work in 10 and 24 days respectively. The days taken by a boy to finish the work is?
A) 30
B) 35
C) 40
D) 45
Answer: C) 40
23. 3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work?
A) 20 days
B) 10 days
C) 4 days
D) 15 days
Answer: C) 4 days
24. 15 men can finish a piece of work in 40 days. The number of days after which 5 men should leave the work so that the work is finished in 45 days altogether is?
A) 10
B) 20
C) 30
D) 35
Answer: C) 30
25. A certain number of men can do a work in 40 days. If there were 8 men more, it could be finished in 10 days less. How many men were there initially?
A) 20
B) 24
C) 30
D) 16
Answer: B) 24
26. If 12 men or 24 boys can do a work in 66 days, the number of days in which 15 men and 6 boys can do it is?
A) 44
B) 33
C) 55
D) 66
Answer: A) 44
27. A can do a piece of work in 20 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in?
A) 5 days
B) 7 days
C) 11 days
D) 3 days
Answer: A) 5 days
28. If 35 men can finish a piece of work in 8 days, then the number of men who can do the same work in 10 days is?
A) 38
B) 28
C) 19
D) 17
Answer: B) 28
29. A canal of a village can be cleaned by 24 villagers in 12 days. The number of days in which 36 villagers can clean the canal is?
A) 18
B) 8
C) 72
D) 16
Answer: B) 8
30. A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work?
A) 12 days
B) 20 days
C) 15 days
D) 8 days
Answer: D) 8 days
