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### CET-math

 Directions. Click the correct answer. 1. What is the value of ? a. 20 b. 21 c. 18 d. 16 2. What is the value of 2 - 4 +6 - 8 + 10 - 12 + ... + 998 - 1000 ? a.  100 b. -500 c. -100 d.  250 3. The average of Jonas in his 4 English exams is 75. If his scores for the first three exams are 75, 72 and 70, what is his score for the fourth exam? a. 75 b. 83 c. 80 d. 70 4. If a = 0.25, b = 0.0025 and c = 0.025, which of the following has the greatest value? a. a/c b. abc c. 1/(abc) d. a/(bc) 5. A is a set of integers greater than 0 and whose LCM is 36. What is the highest possible of n(A)? a. 9 b. 7 c. 6 d. 5 6. What is the GCF of 24, 30 and 48? a. 12 b. 15 c. 4 d. 6 7. Which among the following is in between 1/10 and 1/11? a. 0.091 b. 2/17 c. 3/34 d. 11.5% 8. What is the equivalent of in fraction? a. 257 / 1000 b. 10 / 39 c. 256 / 999 d. 19 / 74 9. What is the sum of the following numbers 2 2/5, 25 / 5, 2/7, 14 3/70, and 5.4? a.  14 3/70 b.  13 3/35 c.  13.08 d.  10.04 10. The original price of a book is 100 pesos. What is the price of the book with 15% discount? a.  70 pesos b.  87 pesos c.  85 pesos d.  110 pesos 11. What is the mean of the following number, 0.3, 45%, and 3/4 ? a.  0.6 b.  1.5 c.  0 d.  0.5 12. A person received 9,000 pesos as a commission for selling a lot worth 150,000 pesos. What was the rate of the person's commission fee? a.  5% b.  10% c.  6% d.  20% 13. The ratio of girls to boys is 7:5. If the class has 48 pupils, what is the number of boys in the class? a.  18 b.  10 c.  30 d.  20 14. What is the next term in the geometric progression , , ? a. b. c. d. 15. If y is an element of both D and E, which of the following can we conclude? a. b. c. d. 16. What is the equivalent of ?    17. What is the product of and ? 2 -2 18. Which expression is equal to ?    19. What is an equivalent of ?    20. If x and y are integers and is a factor of y, then which of the following must be a factor of ? 9 5 ą