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Standard IX

Mathematics

Histogram for Classes with Equal Size

The following...

Question

The following histogram represents the life time of different lamps, find the number of lamps

(i) have life time of more than 700 hours

(ii) The number of lamps have life time of between 600 and 700 hours

(i) 184 (ii) 86

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(i) 144 (ii) 68

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(i) 148 (ii) 76

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(i) 164 (ii) 26

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Solution

The correct option is A
(i) 184 (ii) 86

From the given histogram , we know

Number of lamps with a life time of more than 700 hours is 74 + 62 + 48 = 184 lamps

Number of lamps with the life time between 600 and 700 hours is 86

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Similar questions

Q. The following table gives the life times of

400

neon lamps:
(i) Represent the given information with the help of a histogram.
(ii) How many lamps have a life time of more than

700

hours?

Q. The following table gives the life times of neon lamps:

\begin{matrix} Length (in hours) & Number of lamps 300 - 400 & 14 400 - 500 & 56 500 - 600 & 60 600 - 700 & 86 700 - 800 & 74 800 - 900 & 62 900 - 1000 & 48 \end{matrix}

(i) Represent the given information with the help of a histogram.
(ii) How many lamps have a life time of more than 700 hours?

The following table gives the life times of 400 neon lamps :

(i)

Represent the given information with the help of histogram.

Life time (in hours)	Number of lamps
$300 - 400$	$14$
$400 - 500$	$56$
$500 - 600$	$60$
$600 - 700$	$86$
$700 - 800$	$74$
$800 - 900$	$62$
$900 - 1000$	$48$

(i i)

How many lamps have a life time more than

700

hours?

Question 5 (ii)
The following table gives the life times of neon lamps:
$\begin{matrix} Length (in hours) & Number of lamps 300 - 400 & 14 400 - 500 & 56 500 - 600 & 60 600 - 700 & 86 700 - 800 & 74 800 - 900 & 62 900 - 1000 & 48 \end{matrix}$
(ii) How many lamps have a life time of more than 700 hours?

Q. Question 5 (ii)
The following table gives the life times of neon lamps:

\begin{matrix} L e n g t h (i n h o u r s) & N u m b e r o f l a m p s 300 - 400 & 14 400 - 500 & 56 500 - 600 & 60 600 - 700 & 86 700 - 800 & 74 800 - 900 & 62 900 - 1000 & 48 \end{matrix}

(ii) How many lamps have a life time of more than 700 hours?

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The following histogram represents the life time of different lamps, find the number of lamps (i) have life time of more than 700 hours (ii) The number of lamps have life time of between 600 and 700 hours

The correct option is A (i) 184 (ii) 86 From the given histogram , we know Number of lamps with a life time of more than 700 hours is 74 + 62 + 48 = 184 lamps Number of lamps with the life time between 600 and 700 hours is 86

The following histogram represents the life time of different lamps, find the number of lamps

(i) have life time of more than 700 hours

(ii) The number of lamps have life time of between 600 and 700 hours

The correct option is A
(i) 184 (ii) 86

From the given histogram , we know

Number of lamps with a life time of more than 700 hours is 74 + 62 + 48 = 184 lamps

Number of lamps with the life time between 600 and 700 hours is 86