🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Class 10 Maths Chapter 3 Pair Of Linear Equations In Two Variables Quiz 7 (9 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Solve the Simultaneous Equations:x + y = 5x-y = 1

Correct Answer: B) X = 3, y = 2.

2. The pair of equations 'y = 0' and 'y =-7' has .....

Correct Answer: D) No solutions.

3. Ritu can row downstream 20 km in 2 hours and upstream and 44 km in 2 hours find the speed of rowing in still water and the speed of the current respectively.

Correct Answer: A) 6km/h and 4km/h.

4. General form of the linear equations in one variables is

Correct Answer: D) Ax+b=0.

5. Differece of two supplementary angles is 60$^{0}$, then the smaller angle is

Correct Answer: A) 60$^{0}$.

6. In a bag containing red and white balls, half the number of white balls is equal to one-third the number of red balls. Thrice the total number of balls exceeds seven times the number of white balls by 6. How many balls of each colour does the bag contain?

Correct Answer: D) Red balls = 18, and White balls = 12.

7. Solve the following pair of equations 7x-2y = 5 xy8 x + 7y = 15xy

Correct Answer: A) X = 1y = 1.

8. All solutions of the line 2x + 3y = 7 are also the solutions of equation

Correct Answer: D) 6x+9y=21.

9. Equation of line parallel to the line x + 5y = 7 is

Correct Answer: B) 2x + 10y = 24.

🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books