Basic Maths: Test 26

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These tests focus on the basics of Maths and are meant to indicate your preparation level for the subject.
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Basic Maths: Test 26

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Question 1

$ \displaystyle 402.46+495.72-423.47=?$

A	576.77
B	547.17
C	547.77
D	474.71

Question 1 Explanation:

$ \displaystyle \begin{array}{l}402.46+495.72-423.47=?\\=898.18-423.47=474.71\end{array}$

Question 2

$ \sqrt[3]{5832}\div \sqrt[3]{216}=\sqrt[3]{?}$

A	16
B	8
C	27
D	4

Question 2 Explanation:

$ \displaystyle \begin{array}{l}\sqrt[3]{?}=\sqrt[3]{5832}\div \sqrt[3]{216}\\=\sqrt[3]{18\times 18\times 18}\div \sqrt[3]{6\times 6\times 6}\\=18\div 6=3\\Therefore\,\,\,p=3\times 3\times 3=27\end{array}$

Question 3

?% of 400 = 293-22% of 750

A	24
B	32
C	22
D	26

Question 3 Explanation:

$ \displaystyle \begin{array}{l}\frac{400\times ?}{100}=293-\frac{750\times 22}{100}\\\Rightarrow 4\times ?=293-165=128\\\Rightarrow ?=\frac{128}{4}=32\end{array}$

Question 4

$ \displaystyle 273\div 7-9.1=p$
what is the value of p

A	29.9
B	22.3
C	24.9
D	21.8

Question 4 Explanation:

$ \displaystyle p=\frac{273}{7}-9.1=39-9.1=29.9$

Question 5

$ \displaystyle \sqrt{3969}\div 0.7=?\times 2.5$

A	18
B	36
C	16
D	24

Question 5 Explanation:

$ \displaystyle \begin{array}{l}\sqrt{3969}\div 0.7=?\times 2.5\\\Rightarrow 63\times \frac{1}{0.7}=?\times 2.5\\\Rightarrow ?=\frac{63}{0.7\times 2.5}=36\end{array}$

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