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Decimals Test - 11

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Decimals Test - 11
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  • Question 1
    1 / -0
    Evaluate:
    $$\displaystyle 25+\frac{3}{100}+\frac{4}{1000}=$$ _________
    Solution
    $$5 + \dfrac { 3}{100} + \dfrac{4}{1000}$$
    $$= 25 + 0.03 + 0.004$$
    $$=25.034$$
  • Question 2
    1 / -0
    Which fraction is equal to 4.4? 
    Solution
    Given: $$4.4$$

    $$\Rightarrow \dfrac{4.4\times 10}{10}$$               {Dividing and multiplying by 10}

    $$\Rightarrow \dfrac{44}{10}$$   

    So option B is the correct answer.
  • Question 3
    1 / -0
    Convert $$4\ m\ 45\ cm$$ into meters.
    Solution
    We know that, $$1$$  $$cm =0.01$$  $$meters$$

    To convert  $$4$$ $$m$$  $$45$$  $$cm$$  to  $$meters$$
    Now, $$45$$ $$cm = 0.01 \times 45$$  $$m$$ $$= 0.45$$  $$meter$$
    $$4$$ $$m$$  $$45$$  $$cm$$ $$ = 4m + 0.45m$$
                          $$ = 4.45m$$
    So, Option $$A$$ is correct
  • Question 4
    1 / -0
    $$2.75 + 0.003 + 0.158 =$$
    Solution
    $$2.75=0.003+0.158=$$
    Write all decimal numbers in correct order in such a way that the numbers come in correct row.
    $$2.750$$
    $$0.003$$
    $$0.158$$
    _________
    $$2.911$$
    _________
    IV III II I
    I$$\rightarrow 8+3+0=11$$ $$\{1$$ balance$$\}$$
    II$$\rightarrow 1+5+0+5=11$$ $$\{1$$ balance$$\}$$
    III$$\rightarrow 1+7+0+1=9$$
    IV$$\rightarrow 2+0+0=2$$.

  • Question 5
    1 / -0
    The alphabet which represent $$ -0.5$$ is 

    Solution
    According to the number line,
    $$-0.5$$ is represented by $$A$$.

    Hence, this is the answer.
  • Question 6
    1 / -0
    Express centimeters into meters.
    $$1458 \ cm$$
    Solution
    $$1$$m $$= 100$$cm

    $$\Rightarrow 1$$cm $$= 0.01$$m
         $$1458$$cm $$= 14.58$$m
  • Question 7
    1 / -0
    $$247 + 2.047 + 0.247 + 2.0047 =$$?
    Solution

  • Question 8
    1 / -0
    Rs. $$47$$ and paise $$50$$ can be represented as
    Solution
    1 paisa $$= 0.01$$ Rs

    $$\Rightarrow$$ 50 paise $$= 0.50$$ Rs

    Rs.$$47$$ and $$50$$ paise can hence be written as Rs. $$47.50$$
  • Question 9
    1 / -0
    Convert the following into metres:
    $$1436\ cm$$
    Solution
    We know that

    $$1$$  $$meter =100$$  $$cm$$

    $$1$$  $$cm =\dfrac1{100}$$  $$m$$

    Given That , we have to convert $$1436$$  $$cm$$ into $$m$$

    $$1436$$  $$cm =\dfrac{1}{100} \times 1436$$  $$m$$

                    $$=14.36$$  $$m$$

    So, Option $$B $$ is correct 
  • Question 10
    1 / -0
    Co-ordinate of Q is 

    Solution
    $$\textbf{Step 1: Using number line}$$
                    $$\text{It can be seen that between two whole numbers there are 10 divisions}$$
                    $$\Rightarrow \text{1 division}=\dfrac1{10}$$
                    $$\text{It can be seen that Q is after 8 divisions after 1}$$         
                    $$\Rightarrow \text{Coordinate of Q}=1+8\times\dfrac1{10}=1.8$$
    $$\textbf{Hence , the coordinate of the point Q is }\mathbf{1.8}$$ $$\textbf{Option B is correct.}$$
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