DSSSB PRT Maths PYQs: Practice all the DSSSB PRT Maths previous year questions here. We have provided all the DSSSB PRT Maths PYQs in this article with answers and explainations.
DSSSB PRT Maths Previous Years Questions
Qestion 1. The marked price of an article is Rs 4500. It is sold at successive discount of 20% and x%. If selling price of the article is Rs 3060. What is the value of x?
Ans: Let the second successive discount is x%.
4500 x 80% x (100-x)% = 3060
Question 2. Find unit digit
Q 3. The sum of digits of the least number which should be added to 13896 to make it perfect cube?
Question 4. The difference between mean proportion and third proportion of 3 and 12 is-
Question 5. The difference between compound interest and simple interest on Rs 4800 for 2 years is 17.28. What is the rate of interest per annum?
Q 6. The efficiency of A, B, and C are in the ration 4 : 5 : 6. They can together complete a work in 20 days, in how many days A alone will complete the work?
Question 7. Rs 12960 is divided among A, B, and C such that 4 times share of A is equal to 6 times share of B and also equal to 3 times share of C. How much did A get?
Question 8. A boat can travel 15 km upstream and 18 km downstream in 4 hours. Also it can go 18 km upstream and 15 km downstream in 4 hours 15 minutes. What is the speed of the boat in still water?
- 12 km/h
- 9 kmp/h
- 8 kmp/h
- 10 kmp/h
Q 9. Reena gave 20% of the money she had to Reeta. Reeta spent 25% of the money received on school fee, 40% on buying books. If she is left with Rs 1680, how much money Reena had initially?
Question 10. A train covers 40 km in 45 minutes and next 60 km in 80 minutes. What is its average speed for whole journey in kmp/h?
Question 11. 8 men working 9 hours a day can complete 2 units of work in 20 days. In how many days can 6 men working 10 hours a day to complete 3 unit of work?
Q 12. The sides of a triangle are 6cm, 8cm, and 10 cm. Circles of radius 1 cm are down/drawn at each of its vertex. What is the area of the triangle excluding the portion covered by the secrets of the circles? (pi = 3.14)
- 20.86 sq cm
- 22.95 sq cm
- 21.32 sq cm
- 22.43 sq cm
Ans: 22.43 sq cm
Question 13. By selling 30 articles a person gains cost price of 5 articles. What is his gain percent?
- 120/7 %
- 100/7 %
- 70/3 %
Ans: 50/3 %
Question 14. The HCF of two numbers is 17 and their product is 4624. What is the sum of their reciprocals?
Q 15. The weight of students in a class is 45kg, when 4 new students whose weights are 42kg, 36.5kg, 37.5kg, and 40kg are admitted, the average weight decreases by 0.75kg. What is the number if students in the class now?
Question 16. The radius of a sphere is increased by 120%. What is percent increase in its volume?
- 964.8 %
- 40.49 %
- 728 %
- 72.8 %
Question 17. A sum of 1,49,420 is divided among A, B, and C such that 5 times share of A is equal to 3 times share of B which is equal to 2 times share of C. What is the share of A?
Q 18. A train without stoppage travels at the speed of 100 km/h and with stoppage it travels with a speed of 70 km/h. How many minutes does the train stop on an average per hour?
Question 19. If 6 persons working 8 hours a day earn Rs 8400 in 5 days, then 9 persons working 6 hours a day for 8 days will earn how much money?
Question 20. By selling 25 articles a person gains selling price of 5 articles. What is his gain percent?
Q 21. Two vessels A and B contain spirit and water in the ratio 3:5 and 3:2 respectively. Their contents are mixed in the ratio 5:4, what is the ratio of spirit and water in the new mixture?
Question 22. The average marks of students in a class are 69.2. The average marks of boys are 65 and that of girls is 72. What is the ration of boys and girls?
Question 23. An article is sold at a certain price. By selling it at 5/6 of that price, one loses 10%. What is his gain percent at the original price?
Q 24. The two numbers are in the ration 5:7 and the product of their HCF and LCM is 4235. What is the sum of the numbers?
Question 25. If each edge of a cube is increased by 50%, what is the percent increase in its surface area?
Question 26. If diagonal of a rectangle is 25 cm and its perimeter is 62 cm, what is its area in sq cm?
Q 27. The numerator of a fraction is increased by 150% and denominator is decreased by 20%, then fraction becomes 15/14. What is the original fraction?
Question 28. A, B, and C alone can do a piece of work in 10 days, 15 days and 12 days respectively. They together started the work after 3 days and, A and B both left. In how many days, C alone will complete the remaining work?
Question 29. The speed of a boat in still water is 10 km/h. It can go 30 km upstream and return downstream to original point in 8 hours. What is the speed of the stream in km/h.
Ans: 5 km/h
Q 30. The value of a machine depreciates every year at the rate of 10% per annum. If present value of machine is Rs 8000, what is the percent decrease in its value in three years?
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