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Standard IX

Mathematics

Histogram for Classes with Equal Size

From the give...

Question

From the given histogram. How may lamps have a lifetime of more than $700$ hours?

184

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85

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100

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84

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Solution

The correct option is A $184$
Option C is the correct answer.

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Similar questions

The following table gives the lifetimes of 400 neon lamps:
$\begin{matrix} Lifetime (in hr) & 300 - 400 & 400 - 500 & 500 - 600 & 600 - 700 & 700 - 800 & 800 - 900 & 900 - 1000 Number of lamps & 14 & 56 & 60 & 86 & 74 & 62 & 48 \end{matrix}$
(i) Reperesent the given information with the help of a histogram.
(ii) How may lamps have a lifetime of more than 700 hours?

The following table gives the life times of neon lamps:

Length (in hours)

Number of lamps

300 − 400

400 − 500

500 − 600

600 − 700

700 − 800

800 − 900

900 − 1000

(i) Represent the given information with the help of a histogram.

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

Q. The following table gives the lifetimes of 400 neon lamps:

Lifetime (in hr)	300−400	400−500	500−600	600−700	700−800	800−900	900−1000
Number of lamps	14	56	60	86	74	62	48

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

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?

The following table gives the lifetimes of $400$ neon lamps: How many lamps have a lifetime of more than $700$ hours?

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

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From the given histogram. How may lamps have a lifetime of more than 700 hours?​

The correct option is A 184Option C is the correct answer.

From the given histogram. How may lamps have a lifetime of more than $700$ hours?

The correct option is A $184$
Option C is the correct answer.