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1. The average of first 10 natural numbers is?
2. How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together?
3. What is the perimeter of a square field whose diagonal is 8√2?
4. The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
5. The value of a machine depreciates at 20% per annum. If its present value is Rs. 1,50,000, at what price should it be sold after two years such that a profit of Rs. 24,000 is made?
6. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be?
7. A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum?
8. A man said to his son, "I was two-third of your present age when you were born". If the present age of the man is 48 years, find the present age of the son?
9. A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m^{2} and the short side is 30 m long. How much would the job cost?
10. Find the one which does not belong to that group ?
11. ³√4900 + 123 = ? / 33.004
12. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .
13. Excluding stoppages, the average speed of a bus is 60 km/hr and including stoppages, the average speed of the bus is 40 km/hr. For how many minutes does the bus stop per hour?
14. The weights of three boys are in the ratio 4:5:6. If the sum of the weights of the heaviest and the lightest boy is 45 kg more than the weight of the third boy, what is the weight of the lightest boy?
15. Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Kim?
16. How many four digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?
17. 7394 - 1236 - 4652 = ?
18. The average of first 10 odd numbers is?
19. A gardener wants to plant trees in his garden in rows in such away that the number of trees in each row to be the same. If there are 24 rows the number of trees in each row is 42 if there are 12 more rows find the number of trees in each row?
20. 2/3 * 5 1/2 * 2 * 7 5/6 * 9/11 = ?
21. A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.
22. The sum of three consecutive multiples of 3 is 72. What is the largest number?
23. The ratio between the present ages of P and Q is 5:7 respectively. If the difference between Q's present age and P's age after 6 years is 2. What is the total of P's and Q's present ages?
24. Find the length of the wire required to go 15 times round a square field containing 69696 m^{2}.
25. The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number?
26. Compound interest earned on a sum for the second and the third years are Rs.1200 and Rs.1440 respectively. Find the rate of interest?
27. In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?
28. Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 216 marks in the second test and failed by 36 marks in that test. Find the pass mark in the first test?
29. if (x + y)/(2x + y) = 4/5, then find (2x + y)/(3x + y) ?
30. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
31. A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly three bulbs are good.
32. A single discount equivalent to the discount series of 20%, 10% and 5% is?
33. 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?
34. X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?
35. A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?
36. The simple interest on a sum of money will be Rs.600 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year?
37. The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%?
38. The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by?
39. 5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men’s wages are?
40. Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers?
41. A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in?
42. An express traveled at an average speed of 100 km/hr, stopping for 3 min after every 75 kn. How long did it take to reach its destination 600 km from the starting point?
43. The ratio of the present ages of P and Q is 3:4. 5 years ago, the ratio of their ages was 5:7. Find the their present ages?
44. 5 * 5 ÷ 5 + 5 ÷ 5 = ?
45. Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?
46. A cistern has three pipes, A, B and C. The pipes A and B can fill it in 4 and 5 hours respectively and C can empty it in 2 hours. If the pipes are opened in order at 1, 2 and 3 A.M. When will the cistern be empty?
47. The diagonals of a rhombus are 15 cm and 20 cm. Find its area?
48. Find the one which does not belong to that group ?
49. A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?
50. 96% of the population of a village is 23040. The total population of the village is?