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EXERCISEEXERCISE:  <<FEEL FREE TO SHARE THE ANSWERS FOR THE BELOW TASKS IN THE BLOGS AND FORUM>>
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1. The difference between the place values of 7 in the numeral 574873 is: a.0 b.7896 c.96390 d.69305 2. The unit’s digit in the product (274*318*577*343) is: a.2 b.3 c.4 d.5 3. If the number 42573* is completely divisible by 72, then which of the following number should replace the asterisk? a.4 b.5 c.6 d.7 4. A four digit number divisible by 7 becomes divisible by 3, when 10 is added to it. The largest such number is : a.9987 b.9989 c.9996 d.9947 5. The greatest number that will divide 187,233 and 279 leaving the same remainder in each case is: a. 30 b. 36 c. 46 d. 56 6. On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed? a. 45 b. 20 c. 22 d. 29 7. The number of students in each section of a school is 24. After admitting new students three new section were started. Now, the total number of sections is 16 and there are 21 students in each section. The number of new students admitted is: a. 24 b. 14 c. 48 d. 114 8. Each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys in a class of 60 students. If the total contribution thus collected is Rs. 1600, How many boys are there in the class? a. 30 b. 25 c. 50 d. data inadequate 9. Maduri has 85 currency notes in all, some of which are of Rs.100 denominations and the remaining of Rs.50 denomination. The total amount of all these currency notes wa Rs.5000. How much amount in Rs. Did she have in the denomination of Rs.50? a. 3500 b. 70 c. 1500 d. none of these 10. Which of the following number has rational square root? a. 0.4 b. 0.09 c. 0.9 d. 0.025 11. By what least number 675 be multiplied to obtain a number which is a perfect cube? a. 5 b. 6 c. 7 d. 8 12. The average age of 30 students of a class is 12 years. The average age of a group of 5 students is 10 years and that of another group of 5 of them is 14 years. What is the average age of the remaining students? a. 8 years b. 10 years c. 12 years d. 14 years 13. The average of 11 observations is 60. If the average of first five observations is 58 and that of the last five is 56, then the 6th observation is: a. 90 b. 110 c. 85 d. 100 14. The average weight of 6 men decreases by 3 Kg when one of them weighing 80 Kg is replaced by a new man. The weight of the new man is: a. 56 Kg b. 58 Kg c. 62 Kg d. 76 Kg 15. The difference of two numbers is 205 of the largest number. If the smaller number is 12, the larger one is: a. 16 b. 15 c. 18 d. 20 16. If one- seventh of a number exceeds its eleventh part by 100, then the number is: a. 770 b. 1100 c. 1825 d. 1925 17. Sachin was twice as old as Ajay 10 years back. How old is Ajay today if sachin will be 40 years old 10 years hence? a. 20 years b.10 years c.30 years d. none of these 18. Ten years ago A was half of B in age. If the ratio of their present age is 3:4, what will be the total of their present ages? a. 8 years b. 20 years c. 30 years d. 35 years 19. If 6 years are subtracted from the present age of Gulzar and the remainder is divided by 18, then the present age of his grandson Anup is obtained. If Anup is 2 years younger to Mathesh whose age is 5 years, then what is the present of Gulzar a. 96 years b. 84 years c. 48 years d. 60 years 20. Pushpa is twice as old as Rita was 2 years ago. If the differnce of their ages be 2 years, how old is Pushpa today? a. 6 years b. 8 years c. 10 years d. 12 years 21. Average age of A and B is 24 years and average age of B ,C and D is 22 years.The sum of the age is of A B C D is ? a. 90 years b. 96 years c. 114 years d. data inadequate 22. A’s marks in Biology are 20 less than 25% of the total mark obtained by him in biology, maths and drawing. If his mark in drawing be 50, what are his marks in maths? a. 40 b. 45 c. 50 d. cannot be determined 23. Rahim buys mangos at the rate of 3 kg for Rs.21/- and sells them at 5 kg for Rs.50/-. To earn Rs.102/- as profit, he must sell a. 26 kg b. 32 kg c. 34 kg d. 56 kg 24. X,Y,and Z share a sum of money in the ratio 7:8:16. If Z receives Rs.27/- more than X, Then the total money shared was a. Rs.48 b. Rs.93 c. Rs.279 d. Rs.558 25. Rs.120/- are divided among A,B,C such that A’s share is Rs.20/- more then B’s and Rs.20/- less than C’s. What is B’s share? a. Rs.10 b. Rs.15 c. Rs.20 d. Rs.25 26. Manoj received RS.6000/- as his share out of the total profit of Rs.9000/- which he and Ramesh earned at the end of one year. If manoj invested Rs.20,000/- for 6 months, whereas ramesh invested his amount for the whole year, what was the amount invested by Ramesh? a. Rs.6000 b. Rs.10,000 c. Rs.4,000 d. Rs.5,000 27. Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of that work in? a. 6 days b. 4 days c. 12 days d. 3 days 28. A certain number of men can finish a piece of work in 100 days. If however , there were 8 more men, it could be finished in 10 days less. The number of men in the beginning were: a. 30 b. 35 c.40 d.45 29. A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same work in: a. 42 days b. 72 days c. 84 days d. 96 days 30. In a Class composed of x Girls and y Boys. What part of the class is composed of Girls? a. y / ( x + y ) b. x / (x * y ) c. x / ( x + y ) e. y / ( x * y ) 31. There are 200 Questions on a 3 hour Examination. Among these questions are 50 Mathematics problems. It is suggested that twice as much time be spent on each Mathematics problem as for each other question. How many minutes should be spent on Mathematics problem? a. 36 b. 72 c. 60 d. 100 32. If 9x – 3y = 12 and 3x – 5y = 7 then 6x – 2y = ? a.-5 b. 4 c. 2 d. 8 33. A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than the A. How many days will they take to do the work together? a. 3 days b. 8 / 9 days c. 4 days d. Cannot Say 34. A father is 30 years older than his son, however he will be only thrice as old as the son after 5 years. What is the father’s present age? a. 40 years b. 30 years c. 50 years d. 44 years 35. A Simple Interest amount of Rs. 5000/- for 6 month is Rs. 200. What is the annual rate of Interest? a. 10% b. 6% c. 8% d. 9% 36. The Square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in the reverse order. The ten’s place of the original number is equal to twice the difference between its digits. What is the number? a. 46 b. 44 c. 23 d. 25 37. A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result. a. 0% b. 83.33% c. 44% d. 23% 38. What is A percent of B divided by B percent of A? a. A b. B c. 1 d. 10 39. A fast typist can type some matter in 2 hours and a slow typist can type the same in 3 hours. If both type combinable in how much time will they finish? a. 1 hr 12 min b. 1 hr 24 min c. 1 hr 36 min d. 1 hr 48 min 40. How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph? a. 70 sec b. 1 min c. 1 min 15 sec d. 55 sec 41. A and B can finish a piece of work in 20 days. B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job? a. 48 b. 34 2/7 c. 44 d. 45 42. Out of 10 white, 9 black and 7 red balls, in how many ways can we select one or more balls a. 234 b. 52 c. 630 d. 879 43. A person travels 12 km in the southward direction and then travels 5km to the right and then travels 15km toward the right and finally travels 5km towards the east, how far is he from his starting place? a. 5.5 km b. 3 km c. 13 km d. 6.4 km 44. Find the next number in the series 1, 3, 7, 13, 21, 31 a. 43 b. 33 c. 41 d. 45 45. If in a certain code "RANGE" is coded as 12345 and "RANDOM" is coded as 123678. Then the code for the word "MANGO" would be a. 82357 b. 89343 c. 84629 d. 82347 46. In a school of 850 girls, 44% are Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. Girls belonging to other communities are? a. 153 b. 374 c. 238 d. 85 e. None of the above 47. The population of a village is 4500, 5/9th of them are males and the rest females; 40% of the males are married. The percentage of married females is? a. 44% b. 50% c. 47% d. 40% e. 55% 48. If 60% of the students in a school are boys and the girls numbers is 812. How many boys are there? a. 812 b. 1200 c. 1218 d. 1318 e. 1100 49. The average of three numbers is 7, that of first two is 4. What is the third number? a. 11 b. 10 c. 23 d. 13 e. 9 50. A number increased by 37½% gives 33. The number is: a. 23 b. 27 c. 25 d. 22 e. 24 51. If 11% of a number exceeds 7% of the same by 18, the number is: a. 36 b. 72 c. 720 d. 360 e. 450 52. Three persons A, B and C start a business. Twice the investment of A is equal to thrice the capital of B and the capital of B is four times the capital of C. Out of a total profit of Rs. 2970, the share of C is; a. Rs. 350 b. Rs. 450 c. Rs. 370 d. Rs. 270 e. None of the above 53. Population is 20000. Population increases by 10% every year, then the population after 3 years is? a. 22220 b. 23454 c. 26620 d. 26720 e. 26129 54. There are 5 papers. Ratio of marks obtained in each subject is 6:7:8:9:10. Total marks obtained is 60%. 50% is pass marks. In how many subjects did he get above 50%. a. 5 b. 4 c. 3 d. 2 e. 1 55. How many of the integers between 25 and 45 are even? a. 10 b. 11 c. 21 d. 20 e. 23 56. There are 9 coins, 8 are of 1 gm and 1 is of 2 grams. How will you find out the heavier coin in minimum number of weighing and how many weighing it will need? a. 2 b. 3 c. 4 d. 5 e. 1 57. The son’s age is 5 times the daughter’s age. The mother is 3 times the son’s age. The father is 2 times the mother’s age. Their ages sums up to the grandmother’s age that is 81. Find the son’s age. a. 4 b. 5 c. 7 d. 10 e. None of the above 58. A man was travelling to a place 30 miles away from starting point. he was speeding at 60 miles/hr. but when he came back, his car got breakdown and half an hour was wasted in reparing that. altogether he took 1 hr for return journey. Find the avg. speed of the whole journey. a. 50 b. 44 c. 40 d. 39 e. None of the above 59. If 10 books costs Rs. 35, the price of 16 books is a. Rs. 44 b. Rs. 56 c. Rs. 50 d. Rs. 60 e. Rs. 53 60. If 5 : 7 = 15 : x then x is a. 21 b. 22 c. 23 d. 24 e. 25 61. Two Numbers are in the ratio of 5:8 . If 12 be added to each ,they are in the ratio of 3:4.The value of the first number is a. 21 b. 44 c. 15 d. 23 e. 09 62. In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B the present age of B is a. 29 b. 32 c. 39 d. 49 e. 19 63. The age of a man is 4 times that of his son. Five years ago, the man was nine times as old as his son was at that time. The present age of the man is a. 28 b. 32 c. 40 d. 44 e. 43 64. The sum of ages of a son and father is 56 years. After four years, the age of the father will be three time that of the son. Their ages respectively are a. 12 , 44 b. 16 , 48 c. 16 , 42 d. 18 , 36 e. 23 , 44 65. A man walks 9 k.m. in 4 hours. In traveling 24 k.m. the time taken is a. 9 hours 40 min b. 10 hours 30 min c. 10 hours 40 min d. 10 hours 50 min e. 10 hours 20 min |
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