Question

Q17. The following table gives the life time's Of 400 neon lamps: Life Time 300-400 400-500 500-600 600-700 700-800 800-900 900-1000 (In hours) Number of 14 56 60 86 74 62 48 Lamps How many lamps have a life time of less than 600 hours?​

Answer 1

Information About The Question :-

The following table gives the life time's Of 400 neon lamps: Life Time 300-400 400-500 500-600 600-700 700-800 800-900 900-1000 (In hours) Number of 14 56 60 86 74 62 48 Lamps How many lamps have a life time of less than 600 hours?

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$\large\huge\ \: {\sf{Answer}}$

Numbers of neon lamps having their life time more than 700

= No. of neon lamps having their life time as 700-1000

= No. of neon lamps having their life time (700-800) + = No. of neon lamps having their life time 800-900+ = No. of neon lamps having their life time 900-1000 hours

=74+62+48=184

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Answer 2

Numbers of neon lamps having their life time more than 700

= No. of neon lamps having their life time as 700-1000

= No. of neon lamps having their life time (700-800) + = No. of neon lamps having their life time 800-900+ = No. of neon lamps having their life time 900-1000 hours

=74+62+48=184

Step-by-step explanation:

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