Arithmetic V - Ambitious

Question 1: Calculate:

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

A

- \frac{1}{7}

B

- 7

C

7

D

\frac{1}{7}

Question 2: Calculate:

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

A

11.27

B

9.7

C

12.11

D

8.79

Question 3:

0.2

of some number is equal to

65

. Find that number.

A

325

B

130

C

13

D

260

Question 4: Calculate:

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

A

- \sqrt{3}

B

- 1

C

1

D

\sqrt{3}

Question 5: First number is

138

. Second number is

20 %

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

A

27.6

B

165.6

C

16.56

D

0.276

Question 6: Calculate:

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

A

0

B

- 124

C

124

D

1.24

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

450 m

B

4.5 k m

C

45 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

64.8 m

C

348 m

D

34.8 m^{2}

Question 9: Calculate:

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

A

- 790

B

79

C

- 79

D

790

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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