model 1 basic number system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6

The number $√3$ is

a) a finite decimal

b) an infinite recurring decimal

c) equal to 1.732

d) an infinite non-recurring decimal

Question : 7

There are just two ways in which 5 may be expressed as the sum of two different positive (non-zero) integers, namely 5 = 4 + 1 = 3 + 2. In how many ways, 9 can be expressed as the sum of two different positive (non-zero) integers?

a) 3

b) 4

c) 5

d) 6

Question : 8

P and Q are two positive integers such that PQ = 64. Which of the following cannot be the value of P + Q?

a) 16

b) 20

c) 35

d) 65

Question : 9

If n is an integer between 20 and 80, then any of the following could be n+7 except

a) 47

b) 58

c) 84

d) 88

Question : 10

If x, y, z be the digits of a number beginning from the left, the number is

a) xyz

b) x + 10y + 100z

c) 10x + y + 100z

d) 100x + 10y + z