Class 8 chapter 8 page number 119 try these
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1. A
2. B
3. B
4. C
5.
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Step-by-step explanation:
(i) Since, 30% of total surveyed parents helped their children hours”. And 90 parents helped their children for “ hours to 1 hours”.
∴ 30% [surveyed parents] = 90
(ii) Since 50% of the surveyed parents did not help their children.
∴ Number of parents who did not help = 50% of of surveyed parents
= 50% of 300
(iii) Since 20% of the surveyed parents help their children for more than 1 hours. i.e. 20% of surveyed parents help for more than 1 hours.
∴ Number of parents helped for more than 1 hours = 20% of 300
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