QuestionShareCase Study II : There are two mobile phone companies - P and Q, that offer different plans. Company P charges a monthly fee of ₹ 40 plus ₹ 0.5 per minute talk time. Company Q charges a monthly service fee of ₹ 30 plus ₹ 1 per minute talk time. Based on the above information, answer the following questions:1. The linear equation which expresses the plan of company P is:(a) y = 0.5x + 40 (b) y = 40x + 0.5 (c) y = x + 40.5 (d) y = 40 - 0.5x2. The linear equation which expresses the plan of company Q is:(a) y = 30x + 1 (b) y = x + 30 (c) y = x - 30 (d) y = 30x - 13. How many minutes of talk time would yield equal expenditure from both the companies?(a) 10 minutes (b) 15 minutes (c) 20 minutes (d) 25 minutes4. Manisha took the plan of company P and used 400 minutes of talk time. She spent:(a) ₹ 240 (b) ₹ 430 (c) ₹ 220 (d) ₹ 2155. If in a month, Anurag wants to use only 300 minutes of talk time, then which company's plan is better for him?(a) Company P (b) Company Q (c) Both offers the same plan (d) Can't be determined