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. Revathi scored 52 marks in Science, 36 marks in Hindi, 47 marks in English and 73 marks in Sanskrit. The total marks of all the subjects together is 400. What is the overall percentage of marks she got?
Q2. The product of two successive numbers if 6162. Which is the large number?
Q3. The salary of a person is reduced by 10%. To get back the old salary, it must by .....................
Q4. The speed of the current is 5Km/Hr. A motorboat goes 10 Km upstream and back again to the starting point in 50 minutes. The speed, in km/Hr, of the motorboat in still water is...................
Q5. The simple interet on a certain sum of Rs.1200 in 3 years and the compound interest in two years Rs.825/-. Find the rate of interest?
Q6. The average of the square of first ten natural numbers is
Q7. What would be the simple interest obtained on an amount of Rs.11975 at the rate of 8 per cent per annum after 7 years?
Q8. A shopkeeper sells an article at 12.5% loss. If he sells it for Rs.92.50 more then he gains 6%. What is the cost price of the article?
Q9. In a class there are 60 students out of whom 15 percent are girls. Each girls's monthly fee is Rs.250 and each boy's monthly fee is 34 per cent more than a girl. What is the total monthly fee of girls and boys together?
Q10. The radius of the incircle of a triangle is 2 cm. If the area of the triangle is 6 cm square, then its perimeter is..................
Q11. Ajith has 11 friends. 7 boys and 4 girls. In how many ways, can Ajith invite them, if there has to be exactly 4 boys in the invites?
Q12. 9352 - 2569 + 7153 = 13900 + ?
Q13. If a bus travels 160 Kms in 4 Hrs and a train travels 320 Kms in 5 hrs at uniform speeds, then what is the ratio of the distances travelled by them in one hour?
Q14. The area of a rectangle whose length is 5 more than twice its width is 75 square units. What is the perimeter of the rectangle?
Q15. The arithmetic mean of 10 numbers was computed as 7.6. It was later discovered that a number 8 was wrongly read as 3 during the computation. What should be the correct mean?
Q16. The average of eight numbers is 20. If the sum of first two numbers if 31, the average of the next three numbers is 21 1/3 and the seventh and eighth numbers exceed the sixth number by 4 and 7 respectively, then the eighth number is ................
Q17. A book is listed at Rs.150 with a discount of 20 per cent. What additional discount must be offered to bring the net price to Rs.108.
Q18. What approximate amount of compound interest can be obtained on an amount of Rs.4890 at the rate of 5% p.a at the end of two years?
Q19. The sum of the circumference of a circle and the perimeter of a sqare is equal to 272 cm. The diameter of the circle is 56 cm. What is the sum of the area of the circle and the area of the square?
Q20. What is the least number to be subtracted from 945 to make it a perfect square?
Q21. Running at 5/4 of his usual speed, an athlete improved his timing by 5 minutes.The time he usually takes to run the same distance is..............
Q22. P, Q and R invested Rs.45000, Rs.70000 and Rs.90000 respectively to start a business. At the end of two years they earned a profit of Rs.1,64,000. What will be Q's share in the profit?
Q23. If an amount of Rs.28956 is distributed equally amongst 16 persons, how much amount would each person get?
Q24. The average age of 11 players of a cricket team is decreased by 2 months when two of them aged 17 and 20 are replaced by two new players. The average age of the two new players is..............
Q25. A cistern is normally filled in 8 hrs. But takes 2 hours longer because of a leak in the bottom. If the cistern is full, the leak will empty the cistern in...
Q26. Three persons start walking together and their steps measure 40 cm, 42 cm, and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
Q27. Who among the following is credited with the invention of Algebra?
Q28. A 280 metre long train moving with an average speed of 108 Km/hr crosses a platform in 12 seconds. A man crosses the same platform in 10 seconds. What is the speed of the man in meter/second?
Q29. What useful mathematical system did John Napier devise?
Q30. Ramanujan's name is associated with ..................
Q31. In an examination it is required to get 36% of the aggregate mark to pass. A student gets 198 marks and is declared failed by 36 marks. What are the maximum aggregate marks a student can get?
Q32. The present age of Mr. Ghanshyam is 3 time the present age of his son. Six years hence the ratio of their ages will be 5:2. What is the present age of Mr.Ghanshyam?
Q33. Euclid is associated with .................
Q34. Raman's present age is three times his daughter's present age and 9/13th of his mother's present age. The sum of the present ages of all of them is 125 years. What is the difference between the Raman's daughter's present age and Raman's mother's present age?
Q35. Logarithms was invented by ........
Q36. There are three rooms with areas of 1)50 Sq.Ft.,2)100 Sq.Yards and 3) 200 Sq.ft respectively. Which of them has the maximum seating capacity?
Q37. A cruise ship leaves Mangalore and sails North East for 100 miles. Then, it alters its course and sails South East 30 miles. Now it takes another turn and sails South West for 100 miles and stays anchored. How many miles is it now from Mangalore?
Q38. A book has 100 pages. Each page contains 10 lines and each line has 20 words. How many words are there in the book?
Q39. A man travels 1 mile due East, then 5 miles due South, then 2 miles due East and finally 9 miles due North. Find out how far is he from the starting point?
Q40. Prema purchased an item for Rs.8200 and sold it at a gain of 35%. From that amount she purchaed another item and sold it at a loss of 20%. What is his over all gain/loss?
Q41. A person has only Rs.1 and Rs.2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs.75, then the number of Re.1 and Rs.2 coins are respectively.....
Q42. A class contains 30 boys with the average age of 15.1 years. Three new boys joined the class to make the average 15.2. Of the three new boys one is 16 years old and the other two are twins. Find the age of the twins?
Q43. In a quadrilateral ABCD, angle A is twice of angle B. Angle B is one fourth of angle C and angle D is five times that of angle B. Smallest angle of the quadrilateral is equal to smallest angle of a triangle. Second smallest angle of the triangle is 70 degree. What is the value of the largest angle of the triangle?
Q44. When a soup is made with 1 bean for 3 peas, and it contains a total of 400 peas and beans, what would be the actual number of peas?
Q45. 7290ml of a mixture contains milk and water in the ratio of 7:2. If the ratio is to be made as 7:3, how much more water has to be added to the mixture?
Q46. A given sum becomes Rs.10500/- at the end of the I year, Rs.11025 at the end of the 2nd year and Rs.11576.25 on the third year. Find the rate of interest.
Q47. If a person gets Rs.300/- as interest on the first year and Rs.330/- on the second year, what would be the principal?
Q48. Find the average of the following sets of scores: 198, 309, 256, 488, 145, 326, 427
Q49. The average speed of a bus is 45 kmph. What will be the average speed of the bus if driver increases the average speed of the bus by 18%?
Q50. What is a triangle with no equal sides called?
Answers Evaluate

 

 

© 2024 - All Rights with khub.info