- This is an assessment test.
- These tests focus on the basics of Maths and are meant to indicate your preparation level for the subject.
- Kindly take the tests in this series with a pre-defined schedule.
Basic Maths: Test 57
Congratulations - you have completed Basic Maths: Test 57.
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Your answers are highlighted below.
Question 1 |
$4+44+444+4.444=?$
4936 | |
496.444 | |
402 | |
496 |
Question 1 Explanation:
$?=4+44+444+4.444=496.444$
Question 2 |
21% of 7140 + 46% of 351 = ?% of 9227
56 | |
63 | |
18 | |
69 |
Question 2 Explanation:
Question 3 |
$11\frac{1}{2}+9\frac{5}{6}-5\frac{2}{3}-2\frac{7}{9}=?$
$12\frac{13}{14}$ | |
$12\frac{8}{9}$ | |
$12\frac{1}{14}$ | |
$13\frac{1}{9}$ |
Question 3 Explanation:
\[\begin{align}
& ?=11\frac{1}{2}+9\frac{5}{6}-5\frac{2}{3}-2\frac{7}{9} \\
& =\left( 11+9-5-2 \right)+\left( \frac{1}{2}+\frac{5}{6}-\frac{2}{3}-\frac{7}{9} \right) \\
& =13+\left( \frac{9+15-12-14}{18} \right) \\
& =13-\frac{2}{18}=13-\frac{1}{9}=12\frac{8}{9} \\
\end{align}\]
Question 4 |
$\left( 0.01\times 0.001\times 0.0001\times {{10}^{10}} \right)$ is equal to
100 | |
$\frac{1}{10}$ | |
$\frac{1}{100}$ | |
10 |
Question 4 Explanation:
$\begin{align}
& =0.01\times 0.001\times 0.0001\times {{10}^{10}} \\
& ={{10}^{-9}}\times {{10}^{10}}=10 \\
\end{align}$
Question 5 |
$\frac{2.55\times 2.40-2.40\times 2.35}{0.048}$ is equal to:
1 | |
$\frac{1}{2}$ | |
$\frac{1}{10}$ | |
10 |
Question 5 Explanation:
$\begin{align}
& =\frac{2.40\,\left( 2.55-2.35 \right)}{0.048} \\
& =\frac{2.40\times 0.20}{0.048}=10 \\
\end{align}$
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