INTRODUCTION : This Quantitative aptitude book for those students who need to revisit their education in mathematics so as to gain an edge in various competitive exams by improving their arithmetic abilities.

To assess an aspirant's ability to apply simple arithmetic formulas as well ones understanding of mathematical logic, most competitive examinations do include a set of arithmetical problems in the question papers laid out. This book has been put together keeping in mind aspirants of competitive examinations who intend to compete at an all India level for written examinations of openings for IAS, IPS & other allied civil services posts, CSAT, SBI and IBPS PO/Clerk, LIC, Railway Recruitment Board, CMAT, MAT, Paramilitary Forces, State Civil & Police Services and others.

The objective questions are also very helpful for students to compete at the entrance examinations conducted by many private and public institutions offering prestigious courses in management, commerce, accountancy and others.

CONTANT:

1. Number System 2. HCF, LCM3. Simplification4. Decimal Fractions5. Ratio and Proportions6. Percentage7. Time and Distance8. Time and Work9. Profit and Loss10. Average11. Simple interest12. Compound Interest13. probability14. ratio and proportion15. Data Interpretation16. previous year question papers

1. What two numbers have a product of 48 and, when the larger number is divided by the smaller, a quotient of 3?

a) 4 and 12

b) 5 and 15

c) 7 and 17

d) 9 and 19

Answer: 4 and 12

2. Which common noshould be added or substracted to 17/24 to make it 1/2.

a) 7

b) 9

c) 10

d) 15

Answer: -10

3. Find out next one. B A C B D C E D F ?

a) A

b) B

c) E

d) D

Answer: E

4. The sum of 7 consecutive numbers is 1617 then the number of prime numbers in it.

a) 1

b) 2

c) 3

d) 4

Answer: 2

5. X is min of { n+5,6-n} then what is the min of X if,0 <1?

a) 4.5

b) 5.5

c) 6.5

d) 7.5

Answer: 5.5

6. 13 sheeps and 9 pigs were bought for Rs. 1291.85. If the average price of a sheep be Rs. 74. What is the average price of a pig?

a) 36.657

b) 37.705

c) 47.907

d) 57657.

Answer:36.65

7. A batsman in his 18th innings makes a score of 150 runs and there by increasing his Average by 6. Find his average after 18th innings?

a) 41

b) 42

c) 43

d) 44

Answer:42

8. Find the H.C.F of 777 and 1147?

a) 32

b) 37

c) 43

d) 44

Answer:37

9. The L.C.M of two numbers is 2310 and their H.C.F is 30. If one number is 210, the other number is?

a) 310

b) 320

c) 330

d) 340

Answer:330

10. The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, The average of remaining numbers is?

a) 36.5

b) 37.5

c) 38.5

d) 39.5

Answer:37.5

11. Five years ago the average age of a family of 3 members was 27 years. A child has Been born, due to which the average age of the family is 25 years today. What is the Present age of the child?

a) 3years

b) 4years

c) 5years

d) 6years

Answer:4 years

12. In a class of 20 students in an examination in Mathematics 2 students scored 100 Marks each, 3 get zero each and the average of the rest was 40. What is the average Of the whole class?

a) 20

b) 30

c) 40

d) 50

Answer:40

13. The greatest number, which can divide 432, 534 and 398 leaving the same remainder 7 in each. Required number is the H.C.F of?

a) 15

b) 16

c) 17

d) 18

Answer:17