Class 7 Mathematics Chapter 4 Simple Equations Quiz 4 (25 MCQs)

Quiz Instructions

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1. $ 5x-6 = 4x-2 $
2. Please solve this equation7x = 84
3. True or False. An expression contains an equal sign
4. Find the value of y:2y + 5 = y-8
5. -4y = 48
6. -2|-2r-4| =-12
7. C-8 = 5
8. $4\left(2-x\right)=8$
9. Solve the equation 3(2y + 1)-4(2y-3) = 5
10. Balance this equation ..... CH$_{4}$ + ..... O$_{2 }$$\rightarrow$ ..... CO$_{2 }$+ ..... H$_{2}$O
11. B-15 = 10
12. Solve the following equation for x:8x-12 = 6x
13. Solve the equation:$5\left(r+9\right)-2\left(1-r\right)=1$
14. 5 =-x
15. X/4 + 9 = 11
16. 7w-3(4w+8)=11
17. Simplify the expression:$\frac{4}{2x-3}-\frac{1}{4x-5}$
18. Write the following statement in the form of an equation:Add 1 to three times n to get 7
19. Solve $\frac{2}{3}x=-4$
20. Ten times a is 70
21. What is the algebraic expression for "the sum of n and 9" ?
22. Which of the following shows the correct way to balance the chemical equation?Fe + O$_{2}$ $\rightarrow$ Fe$_{2}$O$_{3}$
23. Solve the equation:$3x+15=2$
24. A rises 341 feet. It then descends 105 feet. Find the elevation of the bird, assuming its journey started from the ground.
25. (-10)(-2)(-1)=