DigiOMR Mock Test – Previous Year Questions (PYQ) | OSSC Accountant Exam – Mathematics
Get exam-ready with this DigiOMR-based Mock Test featuring 35 authentic Mathematics questions directly taken from the OSSC Accountant Preliminary Exam 2022–23.
This mock test is designed to give you a real-time practice experience, mirroring the actual exam format and difficulty level.
Mock Test - Mathematics
Q1. In covering a distance of 60 km, Tanu takes 3 hours more than Ritika. If Tanu doubles her speed, then she would take 2 hours less than Ritika. Then, Tanu's speed is:
Q2. Among the following series of numbers, find the odd number out: 37, 43, 47, 53, 61, 71, 73, 81
Q3. If log₁₀5 + log₁₀(5x + 1) = log₁₀(x + 5) + 1, then ‘x’ is equal to:
Q4. A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:
Q5. If (a/b)x-1=(b/a)x-3, then the value of x is:(
Q6. How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the two-digit number is 2?
Q7. A man has some hens and cows. If the number of heads be 50 and the number of feet equals 160, then the number of cows will be:
Q8. The rational number for recurring decimal 0.123123.... is:
Q9. What is the unit digit in (797 – 353)?
Q10. 88 cubic centimetres of copper is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
Q11. The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
Q12. A library has an average of 260 visitors on Sundays and 140 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
Q13. The angle between the minute hand and the hour hand of a clock when the time is 8:30, is:
Q14. The last day of a century cannot be
Q15. A, B, C rent a grass lawn. A puts 10 Goats for 7 months, B puts 12 Goats for 5 months and C puts 15 Goats for 3 months for grazing. If the total rent of the pasture is Rs. 175, how much must C pay as his share of rent?
Q16. On selling 18 balls at Rs. 720, there is a loss equal to the cost price of 6 balls. The cost price of a ball is:
Q17. A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:
Q18. Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 18 litres per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is:
Q19. The angle of elevation of the sun, when the length of the shadow of a Tower is same as the height of the tower, is:
Q20. A batsman scored 144 runs which included 6 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?
Q21. The sum of three numbers is 147. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
Q22. Prachi's father was 28 years of age when she was born while her mother was 26 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
Q23. The total number of digits used in numbering the pages of a Book having 536 pages is
Q24. Anand, Binod and Chandra start at the same time in the same direction to run around a circular stadium. Anand completes a round in 252 seconds, Binod in 308 seconds and Chandra in 198 seconds, all starting at the same point. After what time, will they all be again at the starting point together for the first time?
Q25. Uma says, "If you reverse my age, the figures represent my husband's age. He is, of course, senior to me and the difference between our ages is one-eleventh of the sum of our ages." Then Uma's age is
Q26. In a 400 m race, the ratio of the speed of two contestants A and B is 3 : 4. A has a start of 160 m. Then, A wins by:
Q27. In one hour, a boat goes 13 km/hr along the stream and 7 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
Q28. A 230 metres long train running at the speed of 110 kmph crosses another train running in opposite direction at the speed of 70 kmph in 10 seconds. What is the length of the other train?
Q29. Amit and Sumit can do a piece of work in 20 days and 12 days respectively. Amit started the work alone and then after 4 days Sumit joined him till the completion of the work. How long did the work last?
Q30. The Sum of all Even numbers from 1 to 100 is:
Q31. The cost price of 30 toys is the same as the selling price of x toys. If the profit is 50%, then the value of x is:
Q32. Which of the following numbers will completely divide (4915 - 1)?
Q33. The least number of complete years in which a sum of money put out at 20% compound interest will be more than tripled is:
Q34. A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 9g/cm³, then the weight of the pipe is:
Q35. If 2√5 + √180 = 17.88, then what will be the value of √45 + 7√5?
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