Indices, Algebra and Integers

Indices

100

(4²)²

256

200

(4³+11³)⁰

1

300

9²x9¹

729

400

4⁵-(2x3x2)

1012

500

15²+9³

954

Algebra

100

X + 8 = 13 +15

What is x

x=20

200

5 + x = 142 - 96 

What is x

x=41

300

2x + 2 = 18

What is x

x=8

400

2(4+x) = -10

What is x

x=-9

500

3a x 7a = 189 

What is a 

a=3

Integers

100

Last prime number before 200

199

200

Factors of 50

1, 2, 5, 10, 25, 50

300

List all the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

400

Which of the following are multiples of 3 -

457, 675, 77, 980 

675

500

A composite number between 25 and 45

 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44