This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In chemical reactions, the law of conservation of mass is ..... A) Disobeyed. B) Not true. C) Obeyed. D) Used sometime. Show Answer Correct Answer: C) Obeyed. 2. SOLVE $\frac{a}{5}=\frac{7}{15}$ A) $a=\frac{7}{2}$. B) $a=\frac{7}{3}$. C) $a=\frac{8}{4}$. D) $a=\frac{8}{9}$. Show Answer Correct Answer: B) $a=\frac{7}{3}$. 3. You want to buy a new pair of shoes that costs $ 95.00. You have already saved up $ 27.00 and you plan to save $ 4 per week. How many weeks until you have enough money to buy the shoes? A) 68 weeks. B) 17 weeks. C) 91 weeks. D) 64 weeks. Show Answer Correct Answer: B) 17 weeks. 4. How do you test for oxygen? A) Use a lighted splint. B) Use a glowing splint. C) Use litmus paper. D) Use a delivery tube. Show Answer Correct Answer: B) Use a glowing splint. 5. What whole number should replace the variable to make the equation 6a = 54 true? A) -9. B) 9. C) 48. D) 60. Show Answer Correct Answer: B) 9. 6. Solve for X:3X + 2 = 11 A) 4. B) 3. C) -3. D) 9. Show Answer Correct Answer: B) 3. 7. What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)? ..... AgNO$_{3}$ + ..... H$_{2}$S $\rightarrow$ ..... Ag$_{2}$S+ ..... HNO$_{3}$ A) 2, 1 $\rightarrow$ 1, 2. B) 1, 2 $\rightarrow$ 1, 1. C) 1, 2 $\rightarrow$ 1, 2. D) 1, 2 $\rightarrow$ 2, 1. Show Answer Correct Answer: A) 2, 1 $\rightarrow$ 1, 2. 8. Chemical formulas can be used to describe compounds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. 2( x + 4 ) = 12, Find the value of x. A) 2. B) 8. C) 28. D) 10. Show Answer Correct Answer: A) 2. 10. Find the variable and constant in the algebraic expression y+21 ..... A) No variable. B) No constant. C) Variable is 21 & constant is y. D) Variable is y & constant is 21. Show Answer Correct Answer: D) Variable is y & constant is 21. 11. 9 x 7 A) 70. B) 63. C) 62. D) 72. Show Answer Correct Answer: B) 63. 12. Z shape is A) ALTERNATIVE INTERIOR. B) VERTICALLY OPPOSITE. C) CORRESPONDING ANGLES. D) None. Show Answer Correct Answer: A) ALTERNATIVE INTERIOR. 13. How many atoms of aluminum are on each side of the following equation:4Al + 3O$_{2 }$$\rightarrow$ 2Al$_{2 }$O$_{3}$ A) 2. B) 6. C) 1. D) 4. Show Answer Correct Answer: D) 4. 14. 3x + 2(4x-4) = 3 A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: D) 1. 15. What whole number should replace the variable to make the equation 75 = 50 + w true? A) -25. B) 25. C) -125. D) 125. Show Answer Correct Answer: B) 25. 16. 5 divided by n A) 5/n. B) N/5. C) Foolish. D) None of the above. Show Answer Correct Answer: A) 5/n. 17. 12 times a number is less than 4 than 5 times the number.Write an equation representing the follow statement A) 12x-4=5. B) 12x+4=5x. C) 12+4x=5. D) 12-h = 5. Show Answer Correct Answer: C) 12+4x=5. 18. What is the step needed to be taken to solve this equation? $\frac{x}{5}=-2$ A) Divide by 5 on the left side of equal sign. B) Divide by 5 on both sides of equal sign. C) Multiply by 5 on right side of equal sign. D) Multiply by 5 on both sides of equal sign. Show Answer Correct Answer: D) Multiply by 5 on both sides of equal sign. 19. If y =-14, what is the value of $\frac{4-y^2}{y+2}$ A) -16. B) -12. C) 8. D) 12. E) 16. Show Answer Correct Answer: E) 16. 20. $ \frac {z} {7} = $ 3 A) 21. B) 10. C) 3. D) 7. Show Answer Correct Answer: A) 21. 21. A coupon subtracts Rs 17.95 from the price of a bag of chocolate. You pay Rs 71.80 for the chocolate bag after using the coupon. Write equation to find the original price "p" of the chocolate A) P + 17.95 = 71.80. B) P + 71.80 = 17.95. C) None of these. D) P-17.95 = 71.80. Show Answer Correct Answer: D) P-17.95 = 71.80. 22. If 5x-3/4 = 2x, then x = ..... A) 1/3. B) 1/2. C) 1/4. D) 1/5. Show Answer Correct Answer: C) 1/4. 23. Y + 8 = 20 A) 10. B) 11. C) 12. D) 13. Show Answer Correct Answer: C) 12. 24. What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)? ..... FeCl$_{3}$ + ..... Ca(OH)$_{2}$ $\rightarrow$ ..... Fe(OH)$_{3}$ + ..... CaCl$_{2}$ A) 4, 3$\rightarrow$ 2, 1. B) 3, 2 $\rightarrow$ 3, 1. C) 2, 3 $\rightarrow$ 2, 2. D) 2, 3 $\rightarrow$ 2, 3. Show Answer Correct Answer: D) 2, 3 $\rightarrow$ 2, 3. 25. Select the correct equation for the following statement.If you add 3 to one-third of z, you get 30. A) P+30 = 1/Ezz. B) Ezz = 30. C) Z/3 +3 = 30. D) None of the above. Show Answer Correct Answer: C) Z/3 +3 = 30. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 4 Simple Equations Quiz 1Class 7 Mathematics Chapter 4 Simple Equations Quiz 2Class 7 Mathematics Chapter 4 Simple Equations Quiz 3Class 7 Mathematics Chapter 4 Simple Equations Quiz 4Class 7 Mathematics Chapter 4 Simple Equations Quiz 5Class 7 Mathematics Chapter 4 Simple Equations Quiz 7Class 7 Mathematics Chapter 4 Simple Equations Quiz 8Class 7 Mathematics Chapter 4 Simple Equations Quiz 9Class 7 Mathematics Chapter 4 Simple Equations Quiz 10Class 7 Mathematics Chapter 4 Simple Equations Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books