Free Printable Gmaths 7_ Rational numbers and angles

1.

Two angles are supplementary if their sum of measure equals _____________.

a)

$45^o$

b)

$90^o$

c)

$150^o$

d)

$180^o$

2.

How many obtuse angles are there in a triangle at most?

a)

0

b)

1

c)

2

d)

3

3.

'Rational number is fration'.

This statement are true or false?

a)

true

b)

false

4.

Calculate: $\frac{1}{3}\times\left(-2\right)+\frac{4}{5}$

a)

$-\frac{2}{5}$

b)

$\frac{2}{15}$

c)

$\frac{2}{5}$

d)

$-\frac{2}{15}$

5.

Which set of numbers below is NOT subset of rational number?

a)

Integers

b)

whole numbers

c)

natural numbers

d)

irrational numbers

6.

What is the measure of angle CAx?

a)

$40^o$

b)

$50^o$

c)

$60^o$

d)

$70^o$

7.

Fill in the blank: 'Two acute angles in a right tringale are ______________'

a)

supplementary

b)

$180^o$

c)

complementary

d)

$360^o$

8.

Under very specific instructions, a jeweler made one ring for the queen and one ring for the princess. The gem on the queen's ring weighed 9/10 of a carat and the stone on the princess's ring weighed 3/10 of a carat. How much heavier was the stone on the queen's ring than the stone on the princess's?

a)

$\frac{6}{5}$

b)

1

c)

$\frac{4}{5}$

d)

$\frac{3}{5}$

9.

Let A = 3 + 32 + 33 + 34 + ... + 3100.

Find n such that 2A + 3 = 3n

a)

3204039

b)

3204309

c)

3243009

d)

3240309

10.

Fill in the blank.

a)

40

b)

80

c)

120

d)

160

Gmaths 7_ Rational numbers and angles

Total questions: 10

Worksheet time: 10mins

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