Class 7 Mathematics Chapter 4 Simple Equations Quiz 16 (25 MCQs)

Quiz Instructions

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1. J.6 face-to-face class resumption begins on?
2. Solve the system of equations using substitution:y = 2x + 52x + 2y = 4
3. Select the correct equation for the following statementSeven times m plus 7 gets you 77.
4. What is the chemical formula for Carbon Dioxide?
5. Solve for z in the following equation:z-33 = 147
6. Name the first property you will use to solve this equation:3(x-7) = 42
7. 14k = 0
8. Which statement best describes l-4 l?
9. -60 = Kha
10. $ Neck = $ 46
11. Rahuls mothers age is 4 years more than three times Rahuls age. Find Rahuls age if his mothers age is 46 years old.
12. Write the following statement in the form of an equation. "The sum of three times x and 10 is 23
13. $Solve\-9h=-27$
14. $A=\frac{B}{C}$
15. Your scars = 48
16. Say true or false:For variable any alphabet from [a to z] can be used
17. Hh+w =-2
18. When balancing equations a ..... can be placed to the left of a formula of a substance to make the equations balanced
19. Which number should go in the blank? 2 Na+ ..... Cl$_{2}$ $\rightarrow$ 2 NaCl
20. What is the salt formed when nitric acid is added to potassium hydroxide?
21. Is the following equation balanced or unbalanced?Fe + S $\rightarrow$ FeS
22. 30 = x-12
23. Check whether the value given in the brackets is a solution to the given equation or not:4p-3 = 13 (p = 1)
24. 3p = 42. Value of p is .....
25. $18-y=27$