# Test: Arithmetic I - Normal

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Question 1:   Which of the following sets of numbers consists only from the natural numbers?
$-1,0,1$
$\sqrt{25},{2}^{2},\sqrt[3]{8}$
$\sqrt[3]{-27},4,7$
$\sqrt{46},{2}^{3},\sqrt{4}$
Question 2:   Which of the following sets of numbers consists only from natural numbers?
$2\cdot \frac{2}{3},\sqrt{4},3\cdot \left(-6\right)$
$\sqrt{6},3,\frac{15}{3}$
$\sqrt{16},2\cdot \frac{3}{2},-2\cdot \left(-7\right)$
$\frac{27}{3},\sqrt{8},2\cdot \frac{1}{2}$
Question 3:   Which of the following sets of numbers consists only from integers:
$-\sqrt{25},-13,\frac{100}{15}$
$\sqrt[3]{-27},-2090,\frac{81}{3}$
$\frac{100}{6},\sqrt{16},-12$
$\sqrt{27},86,-\frac{105}{15}$
Question 4:   Arrange the following set of numbers from the largest to the smallest: ${2}^{3}$ , ${4}^{\frac{1}{2}}$ , $\frac{39}{13}$ , $\sqrt{16}+\sqrt{25}$ , $\pi$
$\sqrt{16}+\sqrt{25},{2}^{3},\pi ,\frac{39}{13},{4}^{\frac{1}{2}}$
$\frac{39}{13},\sqrt{16}+\sqrt{25},\pi ,{2}^{3},{4}^{\frac{1}{2}}$
${4}^{\frac{1}{2}},\sqrt{16}+\sqrt{25},\pi ,{2}^{3},\frac{39}{13}$
$\sqrt{16}+\sqrt{25},{2}^{3},\pi ,{4}^{\frac{1}{2}},\frac{39}{13}$
Question 5:   Arrange the following set of numbers from the smallest to the largest: ${-\left(\frac{1}{2}\right)}^{2}$ , $\sqrt{\frac{1}{9}}$ , ${1}^{100}$ , $-{100}^{0}$ , $\frac{\pi }{2}$
$-{100}^{0},\sqrt{\frac{1}{9}},{1}^{100},-{\left(\frac{1}{2}\right)}^{2},\frac{\pi }{2}$
$-{100}^{0},\sqrt{\frac{1}{9}},-{\left(\frac{1}{2}\right)}^{2},{1}^{100},\frac{\pi }{2}$
$-{100}^{0},-{\left(\frac{1}{2}\right)}^{2},\sqrt{\frac{1}{9}},{1}^{100},\frac{\pi }{2}$
$-{\left(\frac{1}{2}\right)}^{2},-{100}^{0},{1}^{100},\sqrt{\frac{1}{9}},\frac{\pi }{2}$
Question 6:   Round to the nearest integer: $17.49$
$17$
$18$
$17.4$
$17.5$
Question 7:   Round $-13.51$ to the nearest integer.
$-14$
$-13.6$
$-13.5$
$-13$
Question 8:   Round  $2.45-\left(-13.04\right)$  to the nearest $10$.
$10$
$15$
$16$
$20$
Question 9:   Round  $250.68+317.28$  to the nearest  $100$.
$570$
$560$
$500$
$600$
Question 10:   Round  $3120.33+\left(-7890.66\right)$  to the nearest  $1000$.
$-4700$
$-4000$
$-5000$
$-4800$