Algebra Quiz

Mathematics → Algebra Quiz

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6. What is the solution interval of the inequality $6x-2\geq3x+10$
(A) (∞,4)
(B) (−∞,4]
(C) (−4,∞)
(D) [4,∞)

7. What is the value of x in the equation

(A) 0
(B) 2
(C) 4
(D) 6

8. The price (in cents) of one orange is 5c. What is the price (in dollars) of one dozen of oranges?
(A) 30c
(B) 60c
(C) $\frac{3c}{5}$
(D) $\frac{5c}{12}$

9. At present, the age of Alice is x–10 years. What will be her age after 12 years?
(A) x+2
(B) x–2
(C) x+12
(D) x–12

10. Mr. A can do a particular work in 6 hours, and Mr. B can do the same work in 14 hours. How much time it will take if they do the work together?
(A) 4 hours and 6 minutes
(B) 4 hours and 12 minutes
(C) 4 hours and 18 minutes
(D) 4 hours and 24 minutes

ANSWERS: ALGEBRA QUIZ
6. D
7. C
8. C
9. A
10. B

SOLUTIONS: ALGEBRA QUIZ

NOTE: There are 100 cents in one dollar. So, to convert cents into dollars, we need to divide by 100.

For these type of questions the simple equation is 1/t₁+1/t₂=1/t