# 49 how many prime numbers are there between 1 and 100

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49. How many prime numbers are therebetween 1 and 100?A. 24B. 23C. 22D. 25
50. What number must be subtractedfrom both numerator and denominatorof the fraction 11/23 to give a fractionwhose value of 2/5?A. 4C. 5B. 2D. 3
51. The fraction halfway between 3/7and 4/7 is _________.A. 1/2B. 1/8C. 1/4D. 1/3
52. A recipe calls for 2 cups of milk forevery 7 cups of flour. A chef will use 28cups of flour, how many cuos of milkmust he have?A. 12C. 14B. 10D. 8
53. If Karl has an average of 76% on hisfirst 2 tests and has an average of 85%on the next 4 tests, what is his finalaverage on all 6 tests?A. 82.5%C. 81.3%B. 80.5%D. 82.0%
54. A room is 30 ft long, 25 ft wide and14 ft high, If 42 balloons are inside theroom, how many cubic feet of spacedoes this allow for each balloon?A. 11C. 12.5B. 12D. 11.9E. 250 cubic feet
55. What percent of 75 is 15?A. 30%B. 40%C. 20%D. 38%
56. All right angles are ________.A. parallelB. obliqueC. supplementaryD. equal
57. The side opposite the right angle ofa right triangle is the ________ and eachof the other 2 sides is _________.A. hypotenuse, legB.opposite, adjacentC. leg, hypotenuseD. adjacent, opposite
58. A 10 meter board leans against thewall. The foot of the board is 8 metersfrom the wall. How far up the wall doesthe board reach?A. 10 metersC. 6 metersB. 4 metersD. 8 meters
59. The sum of the sides of a polygon isthe _________ of the polygon.A. volumeB. areaC. legsD. perimeter
60. If 2 legs of one rigt triangle are equalrespectively to 2 legs of another, theright triangles are __________.A. congruentC. supplementaryB. complementary D. adjacent
61. Find the LCM of 8, 6, 3.A. 24B. 48C. 72D. 96
62. Peform the indicated operation40?2?24??4÷27??8?2?3A.40?381C.4081B.40?81D.40?281E.?𝟎𝒙𝟐𝟐?
63. The measure of an angle is 25 morethan its supplement. What is themeasure of the larger angle?A. 102.5 ºC. 110.5 ºB.77.5 ºD. 95.5 º
64. Find the LCM of 5,2,7.A. 140B. 35C. 15D. 70
65. Simplify: (3x-9)÷(𝑥2-9)A.3?:3C.?:33B.39;3D.?;33
66. Simplify:8𝑥 − 24 ÷2𝑥2− 𝑥 − 15A.?;4?:4C.82?:5B.4?;13D.52?;5
67. The grades in Math of the students insection A are as follows: 80, 75, 60, 95,100. What is the range of their group?A. 80-95C. 60-95B. 60-100D. 70-100

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