# Numbers System Mcqs

Our collections of Multiple choice questions and answers focuses on study of Numbers System in Mathematics. These questions are chosen from a collection of most authoritative and best reference books on Mathematics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs, Army and Air Force , and other Govt and Private sector jobs tests and interviews. So practice our Mcqs to assimilate knowledge on Numbers System in Mathematics comprehensively.

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20?10

100?10

20

100?4

3209

4870

2435 x 2

974 x 5

5000

15000

12345

54321

284

482

2.84

2.84

68

10.9

11.25

12.35

14.32

18

9

19

15

70

100

66

65

51

61

41

47

420

423

417

425

-2

-1

2

1

1

2

3

4

5

6

7

8

9

16

15

14

17

One

Two

Three

Four

## 16. If (x+1) times (2x+1) is an odd integer then x must be:

An odd integer

An even integer

A prime number

A composite number

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