Read the following information carefully and answer the 4 questions.A survey was conducted among 200 users of laptops of different companies. It was found that 160 use laptops of SONY, 100 use laptops of HP and 90 use laptops of TOSHIBA. 20 use laptops of all the three companies and each one uses laptops of at least one of the three companies.Q2. If 40 use only SONY, then how many uses TOSHIBA and HP only ?Question 19Answera.18b.15c.30d.10
Question
Read the following information carefully and answer the 4 questions.A survey was conducted among 200 users of laptops of different companies. It was found that 160 use laptops of SONY, 100 use laptops of HP and 90 use laptops of TOSHIBA. 20 use laptops of all the three companies and each one uses laptops of at least one of the three companies.Q2. If 40 use only SONY, then how many uses TOSHIBA and HP only ?Question 19Answera.18b.15c.30d.10
Solution
To answer this question, we first need to understand the distribution of laptop users.
We know that:
- Total users = 200
- SONY users = 160
- HP users = 100
- TOSHIBA users = 90
- All three companies users = 20
- Only SONY users = 40
We are asked to find the number of users who use only TOSHIBA and HP.
First, let's find out the number of users who use more than one brand.
SONY users who use other brands as well = Total SONY users - Only SONY users - All three companies users = 160 - 40 - 20 = 100
HP users who use other brands as well = Total HP users - All three companies users = 100 - 20 = 80
TOSHIBA users who use other brands as well = Total TOSHIBA users - All three companies users = 90 - 20 = 70
Now, let's find out the number of users who use only TOSHIBA and HP.
Users who use only TOSHIBA and HP = Total users - SONY users who use other brands as well - Only SONY users - All three companies users = 200 - 100 - 40 - 20 = 40
However, this number includes users who use only TOSHIBA, only HP, and both TOSHIBA and HP.
To find the number of users who use only TOSHIBA and HP, we need to subtract the number of users who use only TOSHIBA and only HP.
Only TOSHIBA users = Total TOSHIBA users - TOSHIBA users who use other brands as well - All three companies users = 90 - 70 - 20 = 0
Only HP users = Total HP users - HP users who use other brands as well - All three companies users = 100 - 80 - 20 = 0
So, the number of users who use only TOSHIBA and HP = Users who use only TOSHIBA and HP - Only TOSHIBA users - Only HP users = 40 - 0 - 0 = 40
So, the answer is not in the options given. There seems to be a mistake in the question or the options provided.
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