Question

3. In a survey of 600 consumers, it was found that 400
purchase Mechi Tea, 250 purchase Tokla Tea and
150 purchase both brands. How many consumers
purchase neither of these brands?
4. Renu bught a saree for Rs. 1500 and sold it for
Rs. 1800. Find her profit percent.
5. Find the median marks from the following data.
| Marks 0-10 10-20 | 20-30 | 30-40 40-50
No. of
5 6 11 13 15
Students​

Answer 1

Answer:

Ans. 4

renu bought saree of cost= Rs.15000

and she sold it at the cost of= 18000

so, the profit is= 18000-15000÷18000×100

So, the answer Is= 3000÷18000×100

100÷5

20% = profit

hope it will help you