Arithmetic V - Ambitious

Question 1: Calculate:

6 \frac{2}{3} - \frac{7}{40} (\frac{3}{7} - 2 \frac{1}{3})

A

- 7

B

\frac{1}{7}

C

- \frac{1}{7}

D

7

Question 2: Calculate:

(3.4 : 1.7 + 0.57 : 1.9) \times 4.9

A

12.11

B

9.7

C

11.27

D

8.79

Question 3:

0.2

of some number is equal to

65

. Find that number.

A

13

B

325

C

260

D

130

Question 4: Calculate:

| 1 - \sqrt{3} | - \sqrt{3}

A

1

B

- \sqrt{3}

C

\sqrt{3}

D

- 1

Question 5: First number is

138

. Second number is

20 %

of the first number. Find the sum of those numbers.

A

0.276

B

16.56

C

165.6

D

27.6

Question 6: Calculate:

4^{5} : 16 + {(7.6 - 11.6)}^{3}

A

0

B

1.24

C

124

D

- 124

Question 7: In

2 \frac{2}{5}

hours a boy walked

7.2

kilometers. How many kilometers the boy will walk with the same speed in

1.5

hours?

A

45 m

B

4.5 k m

C

450 m

D

45 k m

Question 8: Area of a rectangular field is

64.8 m^{2}

, one of its sides is

12 m

. Find a perimeter of the fence around that area.

A

34.8 m

B

34.8 m^{2}

C

64.8 m

D

348 m

Question 9: Calculate:

\frac{48^{2} - 31^{2}}{\sqrt{280 + 3^{2}}}

A

- 790

B

- 79

C

790

D

79

Question 10: Calculate:

1.2 \times 10^{- 3} \times 0.1 : {(- 0.5)}^{- 3} - \frac{1}{8}

A

1.25015

B

- 0.125015

C

0.125015

D

- 1.25015

Test: Arithmetic V - Ambitious

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