1. If 5 pencils and 7 pens cost Rs 50, and 7 pencils and 5 pens cost Rs 46, cost of one pen is:

2. If the solution of a system is found using cross-multiplication, the lines must be:

3. Which method can be used to solve a pair of linear equations graphically?

4. The total number of students in a class if there are 4 rows and 9 students in each row is:

5. What is the solution of the system: 2x + 3y = 11 and 2x – 4y = –24?

6. What type of solution does the system 6x – 3y + 10 = 0 and 2x – y + 9 = 0 have?

7. In the age-based problem: “Ani is 3 years older than Biju and Dharam is twice Ani’s age,” if Cathy is 13, how old is Ani?

8. If y = 2x + 3 and also y = –x + 9, then x = ?

9. What is the graphical representation of x + y = 5 and 2x + 2y = 10?

10. If 3x + 2y = 5 and 2x – 3y = 7, the system is:

11. In the word problem about hostel charges, fixed charge is Rs 400 and charge per day is:

12. The pair 9x + 3y + 12 = 0 and 18x + 6y + 24 = 0 is:

13. If 3x – y = 3 and 9x – 3y = 9, what can you say about the system?

14. A train would take 2 hours less if it were 10 km/h faster. If actual time is 12 hours, speed is:

15. What is the solution to the system: x + y = 10 and x – y = 4?

16. If 5x – 4y + 8 = 0 and 7x + 6y – 9 = 0, what type of system is this?

17. If a = 5 and b = 1, the system: ax + by = a + b and 5x – y = 6 has:

18. Which of these equations is parallel to 2x + 3y – 8 = 0?

19. If a linear system is inconsistent, it means:

20. If a pair of equations has a unique solution, then the lines: