WEBSITE AND DATABASE FOR SALE

Unfortunately, Mr. M. Subramanian, who maintained this website lost his battle to cancer and passed away in July, 2019. The database has over 50,000 questions. If you are interested in purchasing the website/database, please reach out using the form here.
Khub.info Learn TNPSC exam and online pratice
Q1. A shopkeeper sells a watch for Rs. 540 making a profit of 5% then what would have been the cost of the watch?
Q2. Raja buys a colour TV set for Rs. 15200 and sells it at a loss of 20%. What is the selling price of the TV?
Q3. A scooty is sold for Rs. 13600 and fatches a loss of 15%. Find the cost price of the scooty?
Q4. Cost price of an article is Rs. 7282 and its gain is Rs. 208 then finds its selling price.
Q5. Cost price of an article is Rs. 320 and selling price is Rs. 384 find it profit and profit %
Q6. Find the selling price if a profit 5% is made on a bicycle Rs. 700 with Rs. 50 as over head charges.
Q7. If loss is 1/3 of 5 S.P the loss percentage is
Q8. By selling a table for Rs. 1320 a trader gains 10%. Finde the Cp of the table.
Q9. By selling a fan for Rs. 1080 a trader loss 10%. Find the cost price of a fan.
Q10. By selling a chair for Rs. 1560 a trader gains 20%. Find the cost price of the chair.
Q11. If selling price is 2/3 of cost price then find the loss or gain %
Q12. If selling price is 4/3 of cost price then find the loss or gain %
Q13. In Arithmatic Progression 97 times of 97th term is equal to 103 times of 103rd term then find 200th term?
Q14. The sequence '-3, -3, -3,… is
Q15. L.C.M. of a2bc, b2ca, c2ab …
Q16. An organisation plans to plant saplings in 25 streets in a town in such a way that one sapling for the first street, two for the second, four the third, two for the second, four the third, eight for the fourth street and so on. How many saplings are needed to complete the work?
Q17. 8 men and 12 boys can finish a piece of work in 10 days while six men and eight boys can finish the same work in 14 days. Find the number of days taken one man alone to complete the work?
Q18. The base of a triangle is 4 cm longer than its altitude. If the area of the triangle is 42 sq.cm, then find its altitude
Q19. One year ago, a man was 8 times as old as his son. Now his age is equal to the square of his sons age. Find the sum of their present ages?
Q20. Find the area of the triangle whose vertices are (1,2), (-3,4), (-5,-6) in Sq. units.
Q21. The diameter of a road roller of length 120 cm is 84 cm. If it takes 500 complete revolutions to level a playground, then find the cost of leveling it at the cost of 75 paise per square metre?
Q22. Total surface area of a solid hemisphere is 675π cm2. Find the curved surface area of the solid hemisphere.
Q23. If the height and base area of a right circular cone are 5cm and 48 sq.cm respectively then the volume of the cone is equal to
Q24. Find the coefficient of range of 43, 24, 38, 56, 22, 39, 45.
Q25. If cost price is ? of selling price then find the loss or gain %?
Q26. If cost price is 80% of selling price then find the loss or gain?
Q27. By selling 44 metres of cloth, one gains the selling price of 11 metres. Find the gain percentage?
Q28. By selling of 5 kg of fruit one gains the selling price of 2 kg. Find the gain percentage?
Q29. By selling a pen for Rs. 15 a man loses one sixteenth of what it costs him the cost price of the pen is…
Q30. By selling a pen for Rs. 72 a man loses five seventeenth of what it cost him. The cost price of the pen is
Q31. 10% loss on selling price is what percent loss on the cost price?
Q32. 50% loss on selling price is what percent loss on the cost price?
Q33. 25% loss on selling price is what percent loss on the cost price?
Q34. Cost price of an article is Rs. 9684 and its loss is Rs. 684 then find its selling price.
Q35. Find the selling price if a profit of 5% in make on a table top wet grinder bought for Rs. 2560 and an expense of Rs. 140 on repair charges.
Q36. (-1 2/7)+(-3 5/7) + (6 4/7) is ……..
Q37. The population of a city in the year 2014 is 1,80,000 and increases at a rate of 20% per year. Find the population of the city in the year 2016?
Q38. Which of the following set of measurements will form a right angle triangle?
Q39. The value of 1.75 x 1.75 + 2 x 1.75 x 0.75 + 0.75 x 0.75 / 1.75 x 1.75 - 0.75 x 0.75
Q40. The value of 163 + 73 - 233 is
Q41. If you stand in a rectangular room, where two adjacent walls are covered with plane mirrors, the total number of your images will be
Q42. The base of a triangle is four times its height and its area is 50 m2. The length of the base is
Q43. (-1 2/7)+(-3 5/7) + (6 4/7) is ……..
Q44. The population of a city in the year 2014 is 1,80,000 and increases at a rate of 20% per year. Find the population of the city in the year 2016?
Q45. Which of the following set of measurements will form a right angle triangle?
Q46. The value of 1.75 x 1.75 + 2 x 1.75 x 0.75 + 0.75 x 0.75 / 1.75 x 1.75 - 0.75 x 0.75
Q47. The value of 163 + 73 - 233 is
Q48. If you stand in a rectangular room, where two adjacent walls are covered with plane mirrors, the total number of your images will be
Q49. The base of a triangle is four times its height and its area is 50 m2. The length of the base is
Q50. A can do a piece of work in 20 days and B can do it in 25 days. Both of them finished the work and earned Rs. 3,600. Then A s share is