Real Numbers

Identify which of the following numbers are rational: 0.5, √2, -3, 1/2

• -1

• √2

• 2

• 0.5, -3, 1/2

Perform the operation (-5) + 3.7 - 1.2

• -3.5

• 0.5

• 2.3

• -1.5

Solve the equation 2x + 5 = 11 for x

• x = 2

• x = 4

• x = 6

• x = 3

Determine if the number 0.333... is rational or irrational

• Whole number

• Rational

• Irrational

• Natural

Identify the irrational number among the following: √9, 0.75, π, -4

• √9

• 0.75

• -4

• π

Simplify the expression 4(2x - 3) - 2(3x + 1)

• 8x - 12

• 2x - 14

• 6x - 10

• 10x - 16

The product of a rational and irrational number is

• rational

• irrational

• both a&b

• no correct option

HCF of 8, 9, 25 is

• 8

• 9

• 25

• 1

The largest number that will divide 398, 436 and 542 leaving remainders 7,11 and 15

respectively is

• 17

• 11

• 34

• 45

L.C.M. of the numbers 108 and 72

• 432

• 216

• 72

• 108