math 7; 10

9. A bell rings every 2 seconds and a bird chirps every 3 seconds. If the ring and the chirp occur together right now, they will also occur together in A) 40 sec. B) 41 sec. C) 42 sec. D) 43 sec.

10. Find the missing number: ¼ + ¾=½ + ?

11. 0.55/2 = A) 1.10 B) 27.5 C) 2.75 D) 0.275

12. Which of the following is a prime number? A) 1985 B) 1986 C) 1987 D) 1988

13. ( 5 x 1/1000) + (4 x 1/100) + (3 x 110) = A) 0.345 B) 0.435 C) 0.534 D) 0.543

14. A rectangle with dimensions 4 by 9 has the same area as a square. The perimeter of the square is A) 6 B) 24 C) 26 D) 36

15. If 10 zigs = 6 zigs, then 1 zig = A) 3/5 zigs B) 2/3 zags C) 1 3/5 zags D) 1 2/3 zags

16. 1 second is what fractional part of 1 hour? A) 1/7200 B) 1/3600 C) 1/1440 D) 1/60

17. When 0.48 is divided by 0.016, the quotient is A) 0.3 B) 3 C) 30 D) 300

18. The average of 3 numbers is between 7 and 10. The sum of the numbers could be any of the following except A) 20 B) 22 C) 26 D) 28

1. Which one of the following is an odd numbers? A) 1 + 9 + 87 B) 1 x 98 x 7 C) 198 x 198 x 198 x 198 x 198 x 198 x 198 D) 19 + 87

2. 3²+4²-5²=A) 0 B) 2 C) 4 D) 8

19. Which of the following is the smallest number? A) 99/197 B) ½ C) 49/99 D) 100/199

20. On a scale drawing, 2 centimeters represents 50 meters. How many centimeters represents 5 meters? A) 10 B) 0.02 C) 0.2 D) 1/10

21. The measures of the angles of a triangle are consecutive integers. The measure of the smallest angle is A) 1ﾟ B) 59ﾟ C) 60ﾟ D) 180ﾟ

22. 1/3 equals the product of ¾ and A) ¼ B) 9/4 C) 5/12 D) 4/9

23. Which of the following has the largest value? A) 2 x [9 - (6 - 3)] B) 2 x [(9 - 6) - 3] C) [2 x (9 - 6)] - 3 D) (2 x 9) - (6 - 3)

24. When 18 is divided by 4 1/2, the quotient is A) 1/81 B) ¼ C) 4 D) 81

25. An isosceles triangle has two sides whose lengths are 2 and 8. The perimeter of this Triangle is A) 10 B) 12 C) 18 D) 22

26. How many eighths are there in 5 ¾? A) 46 B) 43 C) 40 D) 6

27. How many more cartons are needed to hold 1500 books in cartons of 10 than in cartons of 15? A) 5 B) 50 C) 100 D) 500

28. If a ♣ b = a + a + b + b, then 2 ♣ 3 = A) 6 B) 10 C) 12 D) 13

29. [{(½÷⅓)÷¼}÷¼]= A) 1/48 B) 24 C) 48 D) 96

30. In which of the following number pairs is the second number greater than the square of the first? A) 0, 0 B) 1/3, 1/3 C) ½, ¼ D) ½, 0

31. Find the missing number: 10/14 =√25/ ?. A) 7 B) 35 C) 49 D) 196

32. In a club of 24 members, every person serves on four 3-person committees. How many committees are there? A) 32 B) 24 C) 18 D) 12

33. If B is the midpoint of AC, and if C is the midpoint of BD, then what percent of CD is AC? A) 25% B) 50% C) 100% D) 200%

34. In a class of students, the ratio of those under 12 years old to those 12 or over is 2 to 3. In this class, the percent of students 12 or over is A) 33 1/3 % B) 40% C) 60% D) 66 2/3 %

35. The product of a certain integer and 12 is the square of an integer. Which is always a factor of the original integer? A) 2 B) 3 C) 4 D) 12

36. The volume of cube I is 331m³ less than the volume if cube II. If an edge of cube I is 10 meters, an edge of cube II is A) 14 meters B) 13 meters C) 12 meters D) 11 meters

37. Which of the following has the largest reciprocal? A) √64 B) 64¹ C) 64² D) 64³

38. A wheel with a diameter of 2 meters rolls on the street for 100 meters. Most nearly, the wheel made ? complete revolutions. A) 64 B) 32 C) 16 D) 8

3. The product of 3, 4, and 5 equals the sum of 4 x 5 and A) 3 B) 3 x 5 C) 8 D) 8 x 5

4. 6/7 x 7/8 x 8/9 = A) 1/3 B) 2/3 C) 6/504 D) 1

39. I worked twice as long as Ron and 3 times as long as Mary. We all earned the same hourly wage. Together, we earned less than $125. Of the following, the most I could have earned was A) $54 B) $60 C) $66 D) 72

40. Action Comic #1, which originally sold for 10 cents, now sells for $18500. This comic has increased in value A) 18500000% B) 185000% C) 1849990% D) 18499 900%

5. The sum of two numbers is 100. One of the numbers is 2 more than the other. The larger number is A) 50 B) 51 C) 52 D) 53

6. Each of the following is equal to 3/5 except A) 6/10 B) 33/55 C) 60% D) 0.06

7. In an isosceles triangle, the largest angle is a 100ﾟ angle. The number of degrees in each of the other angles is A) 40ﾟ B) 50ﾟ C) 80ﾟ D) 180ﾟ

8. 225% = A) 225/1000 B) ¼ C) 22.5 D) 2 ¼