W l i n e l e n d arrayThe percentage of students whose height is more than 125 cm is -

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Standard X

Mathematics

Direct Method of Finding Mean

W l i n e l ...

Question

$T h e t a b l e b e l o w s h o w s t h e n u m b e r o f c h i l d r e n w i t h d i f f e r e n t h e i g h t s .$ $\begin{matrix} H e i g h t & 110 c m & 120 c m & 130 c m & 140 c m N o . o f c h i l d r e n & 22 & 25 & 21 & 32 \end{matrix}$

The percentage of students whose height is more than 125 cm is ___.

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Solution

Number of students whose height is more than 125 cm = 21 + 32 = 53

Total number of students = 22 + 25 + 21 + 32 = 100

Percentage of students whose height is more than 125 cm = $\frac{53}{100}$ × 100 = 53%

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$T h e t a b l e b e l o w s h o w s t h e n u m b e r o f c h i l d r e n w i t h d i f f e r e n t h e i g h t s .$ $\begin{matrix} H e i g h t & 110 c m & 120 c m & 130 c m & 140 c m N o o f c h i l d r e n & 22 & 25 & 21 & 32 \end{matrix}$

What is the percentage of students whose height is more than 125 cm?

___

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The table below shows the number of children with different heights.
$\begin{matrix} H e i g h t & 110 c m & 120 c m & 130 c m & 140 c m N o o f c h i l d r e n & 22 & 25 & 21 & 32 \end{matrix}$

What is the percentage of students whose height is more than 125 cm?

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The table below shows the number of children with different heights.Height110 cm120 cm130 cm140 cmNo. of children22252132 The percentage of students whose height is more than 125 cm is ___.

Number of students whose height is more than 125 cm = 21 + 32 = 53 Total number of students = 22 + 25 + 21 + 32 = 100 Percentage of students whose height is more than 125 cm = 53100 × 100 = 53%

Number of students whose height is more than 125 cm = 21 + 32 = 53

Total number of students = 22 + 25 + 21 + 32 = 100

Percentage of students whose height is more than 125 cm = $\frac{53}{100}$ × 100 = 53%