The number of workers getting weekly wages below $R s . 80$ is

50

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70

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60

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80

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Solution

The correct option is B $60$
All the workers getting wages between the class interval $55 - 80$ get wages less than $80.$ Hence, sum of these workers are: $5 + 20 + 10 + 10 + 9 + 6 = 60.$

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Similar questions

Weekly wages (in Rs.)	$50 - 55$	$55 - 60$	$60 - 65$	$65 - 70$	$70 - 75$	$75 - 80$	$80 - 85$	$85 - 90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

R s . 80

Weekly wages (in Rs.)	$50 - 55$	$55 - 60$	$60 - 65$	$65 - 70$	$70 - 75$	$75 - 80$	$80 - 85$	$85 - 90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

R s . 65

R s . 85

Weekly wages (in Rs.)	$50 - 55$	$55 - 60$	$60 - 65$	$65 - 70$	$70 - 75$	$75 - 80$	$80 - 85$	$85 - 90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

Weekly wages (in Rs.)	$50 - 55$	$55 - 60$	$60 - 65$	$65 - 70$	$70 - 75$	$75 - 80$	$80 - 85$	$85 - 90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

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