Tag: maths

Questions Related to maths

$\dfrac{3}{5}$ as a percent is

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $30\%$

  2. $40\%$

  3. $45\%$

  4. $60\%$

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Correct Option: D
Explanation:

$\cfrac{3}{5}$ as a percent is$=\cfrac{3}{5}\times 100=60\%$

$6:5$ when expressed as a percentage is

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $83\dfrac{1}{3}\%$

  2. $90\%$

  3. $120\%$

  4. $6.5\%$

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Correct Option: C
Explanation:

$6:5$ as a percent is$=\cfrac{6}{5}\times 100=120\%$

Convert the given ratio to percentage.
$2:3$.

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $60.67\%$

  2. $26.67\%$

  3. $66.67\%$

  4. None of these

Show answer
Correct Option: C
Explanation:

$(2:3)\%$

$=\cfrac{2}{3}\times100$

$=66.67\%$

A maths exam is marked out of $120$.Passing mark percentage is 40%.What are marks required for passing?

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $48$

  2. $110$

  3. $54$

  4. $72$

Show answer
Correct Option: A
Explanation:

40% of 120 is 

$\dfrac{40}{100}*120=48$

Hence, passing marks are $48$

The ratio $2 :3$ expressed as percentage is 

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $40|%$

  2. $60\%$

  3. $66\dfrac{2}{3}\%$

  4. $33\dfrac{1}{3}\%$

Show answer
Correct Option: C
Explanation:

$(2:3)\%=\cfrac{2}{3}\times 100=66.66\%$

Write as percentage $4\dfrac {4}{20}$

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $84\%$

  2. $420\%$

  3. $8.4\%$

  4. $42\%$

Show answer
Correct Option: B
Explanation:

$4\dfrac{4}{20}$

$\Rightarrow \dfrac{84}{20}\times 100\Rightarrow 420\%$

Find the fraction of $25$ paise to $Rs  2$.

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $\dfrac{9}{8}$

  2. $\dfrac{3}{8}$

  3. $\dfrac{5}{8}$

  4. $\dfrac{1}{8}$

Show answer
Correct Option: D
Explanation:

Rs.1 is equal to 100 paise 

Rs 2 is equal to 200 paise
fraction of 25 paise to Rs 2 $=\dfrac{25paise}{200paise}$
                                              $=\dfrac{1}{8}$

The fraction $\dfrac{1}{5}$ converted to percentage is 

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $20\% $

  2. $30\% $

  3. $40\% $

  4. $50\% $

Show answer
Correct Option: A
Explanation:

We have,

$\dfrac{1}{5}$


$\dfrac{1}{5} \%=\dfrac{1}{5}\times 100$

$\dfrac{1}{5}=20\%$


Hence, this is the answer.

$\dfrac{3}{4}$ means

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. 75

  2. 75%

  3. $\dfrac{400}{3}$

  4. $\dfrac{400}{3}$%

Show answer
Correct Option: B
Explanation:

$\frac{3}{4} = \frac{3}{4} \times 100$ % = $75$%

$\frac{2}{5}$ of total students in a class have opted Maths.Find the percentage of students opting Maths

maths equivalence of fraction, decimal fraction, percentage and ratio converting a fraction or decimal to percentage conversion of fraction, decimal to percent fraction and percent

  1. $\frac{2}{5}\times 100$

  2. $\frac{5}{2}\times 100$

  3. $\frac{2}{5}\times \frac{1}{100}$

  4. $\frac{5}{2}\times \frac{1}{100}$

Show answer
Correct Option: A
Explanation:

Let total student be = $s$
$\frac{2}{5}$ of the students opt for Maths = $\frac{2s}{5}$
Percentage of students opting for maths = $\frac{\frac{2s}{5}}{s} \times 100 = \frac{2}{5} \times 100 = 40$ % of the students