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1. 7589 - ? = 3434
2. What percentage of numbers from 1 to 70 have squares that end in the digit 1?
3. Two-third of a positive number and 25/216 of its reciprocal are equal. The number is:
4. 12 3/4 * (1 2/17 / 8 1/6) / 5 4/3 = ?
5. The length of a train and that of a platform are equal. If with a speed of 90 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is:
6. A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most -.
7. All the water in container A which was filled to its brim was poured into two containers B and C. The quantity of water in container B was 62.5% less than the capacity of container A. If 148 liters was now transferred from C to B, then both the containers would have equal quantities of water. What was the initial quantity of water in container A?
8. If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm^{2}) is?
9. The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number?
10. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
11. The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?
12. Find the least number with which 16200 should be multiplied, to make it a perfect cube.
13. A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least number of trees required.
14. The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.1045.What was his original salary?
15. A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?
16. In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?
17. Find the one which does not belong to that group ?
18. 26.98% of 6002 + 45.01% of 4199 = ?
19. The C.I. on a certain sum for 2 years at 10% per annum is Rs. 525. The S.I. on the same sum for double the time at half the rate percent per annum is?
20. 45/100 * 125 + 22.22 = ?
21. Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in scheme B?
22. Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?
23. 96% of the population of a village is 23040. The total population of the village is?
24. A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
25. Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.441 in 2 years?
26. A can run a kilometer race in 4 1/2 min while B can run same race in 5 min. How many meters start can A give B in a kilometer race, so that the race mat end in a dead heat?
27. The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?
28. How many four digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?
29. Two numbers are 30% and 37% are less than a third number .How much percent is the second number less than the first?
30. (0.9 * 0.9 - 0.8 * 0.8)/1.7 = ?
31. Find the one which does not belong to that group ?
32. Rajan borrowed Rs.4000 at 5% p.a compound interest. After 2 years, he repaid Rs.2210 and after 2 more year, the balance with interest. What was the total amount that he paid as interest?
33. A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is?
34. At what rate percent per annum will the simple interest on a sum of money be 2/5 of the amount in 10 years?
35. If a man can cover 12 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?
36. The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm^{3} of metal used in the box weighs 0.5 gms, the weight of the box is?
37. When 2 is added to half of one-third of one-fifth of a number, the result is one-fifteenth of the number. Find the number?
38. 5358 * 51 = ?
39. The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?
40. The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?
41. If x = √196 + √200, then x/2 + 2/x is?
42. A certain sum of money is invested for one year at a certain rate of simple interest. If the rate of interest is 3% higher, then the invest earned will be 25% more than the interest earned earlier. What is the earlier rate of interest?
43. Two varieties of wheat - A and B costing Rs. 9 per kg and Rs. 15 per kg were mixed in the ratio 3 : 7. If 5 kg of the mixture is sold at 25% profit, find the profit made?
44. Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
45. Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?
46. A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?
47. A train 150 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?
48. P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together?
49. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
50. .