Tag: finding ratios

Question 1

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

Two numbers are respectively 20% and 50% more than a third number The ratio of the two numbers is

2 : 5
3 : 5
4 : 5
6 : 7

Reveal answer Fill a bubble to check yourself

Answer

$\displaystyle \frac{m}{n}$

Answer

$\dfrac{a}{A}=\dfrac{b}{B}=\dfrac{c}{C}$

Question 2

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

If $\displaystyle M=a\left ( m+n \right )$ and $\displaystyle N=b(m-n)$ then the value of $\displaystyle \left ( \frac{M}{a}+\frac{N}{b} \right )\div \left ( \frac{M}{a}-\frac{N}{b} \right )$ is :

$\frac{n}{m}$
1
$\frac{1}{2}$

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Question 3

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

If the sides of two squares are in the ratio 2:1, the ratio of the areas of the two squares will be ___________.

1:2
3:1
4:1
3:4

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Question 4

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

Ratio of 250ml to 2L is

25 : 200
8 : 1
1 : 8
120 : 300

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Question 5

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

The length and width of a tape are 2m and 28cm. Write their ratio.

100 : 14
7 : 50
50 : 7
1 : 8

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Question 6

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

The three quantities $a,\,b,\,c$ are said to be in continued proportion if

$b^2=ac$
$ab=c$
$a+b=c$
$b^2=a+c$

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Question 7

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

If $a:b:c=A:B:C$ is equivalent to

$a+A=b+B=c+C$
$\dfrac{a}{B}=\dfrac{b}{A}=\dfrac{c}{C}$
$\dfrac{a}{C}=\dfrac{b}{B}=\dfrac{c}{A}$

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Question 8

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

If $2:9 : : x:18$, then find the value of $ x$

$2$
$3$
$4$
$5$

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Question 9

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

In what ratio must a grocer mix two varieties of pulses costing Rs.$15$ and Rs.$20$ per kg respectively so as to get a mixture worth Rs.$16.50$ kg?

$3 : 7$
$5 : 7$
$7 : 3$
$7 : 5$

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Question 10

Multiple choice maths ratio, proportion and unitary method converting to ratios finding ratios other quantities

In each of the following questions find out the alternative which will replace the question mark.
123 : 13$^2$ :: 235 : ?

$23^2$
$35^2$
$25^3$
$25^2$

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