Class 7 Mathematics Chapter 4 Simple Equations Quiz 32 (25 MCQs)

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1. 2x +1 = x + 5, Then x is 3. (True or False?)
2. N + 6= 12, What is N
3. What whole number should replace the variable to make the equation m + 7 = 30 true?
4. You take out a loan from a bank for $ 3600. You plan to pay back 300 per week. Which equation would help you solve the number of weeks to pay back the loan?
5. When we shift one term from one side of an equation to another side with a change of sign is called as ..... method.
6. 13b-3b =
7. 13 y =-12 and + 100
8. What is the little number after an element in a chemical equation called.Example:H$_{2}$
9. Three times the sum of a number and 7 is equivalent to 57.
10. X + 23 =-45
11. In the equation x + 7 = 127 is being added to the variable x. How should you show your work to isolate the variable and solve the equation?
12. $ 6 =-\frac {w} {8} $
13. Seven times the number is 36 less than 10 times the number, the number is
14. Simplify the expression:$\frac{3}{y+5}+\frac{2}{3y+2}$
15. Cha + h = 15
16. X exceed 4 by 9 can be represented as
17. Solve for g:2g-3 + 4g = 27
18. What is the mechanical advantage of a simple machine if a force of 15 newtons lifts an object weighing 60 newtons?
19. Rohit's father is thrice as old as Rohit. After 15 years he will be just twice his son. Find the present age of Rohit?
20. Set up an equation for the following:When I subtracted 9 from twice a number, the result was 11.
21. Mohan is 3 years older than Sohan. The sum of their ages is 43years.
22. 9-n = 4
23. Solve for x:23 + x = 41
24. The product of 3 and-2 is
25. The product of 14 and y