1.

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

Answer»

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




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