Question

In a survey of 150 senior secondary school, it was found that 80 students have laptops, 110 students have cell phones and 125 students have iPod. If 62 students have both a laptop and a cell phone, 58 students have both a laptop and an iPod, 98 students have both a cell phone and an iPod, whereas 50 students have all the three items. Then find
How many of them have a cell phone only?
How many of them have none of the three items?
How many students have iPod and cell phone but not a laptop?​

Answer 1

Step-by-step explanation:

About 71% and 21% had cell phones

Answer 2

Answer:

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