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n is an integer chosen at random from the set
{5, 7, 9, 11 }
p is chosen at random from the set
{2, 6, 10, 14, 18}
What is the probability that n + p = 23 ?
A. 0.1
B. 0.2
C. 0.25
D. 0.3
E. 0.4
A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 15%. Staff are allowed a further 10% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?
A. 0.75D
B. 0.76D
C. 0.765D
D. 0.775D
E. 0.805D
The number of degrees that the hour hand of a clock moves through between noon and 2.30 in the afternoon of the same day is
A. 720
B. 180
C. 75
D. 65
E. 60
Jeff takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course is 3 miles long?
A. 6
B. 8
C. 10
D. 12
E. 14
A wheel has a diameter of x inches and a second wheel has a diameter of y inches. The first wheel covers a distance of d feet in 100 revolutions. How many revolutions does the second wheel make in covering d feet?
A. 100xy
B. 100y - x
C. 100x - y
D. 100y / x
E. 100x / y
The total weight of a tin and the cookies it contains is 2 pounds. After ¾ of the cookies are eaten, the tin and the remaining cookies weigh 0.8 pounds. What is the weight of the empty tin in pounds?
A. 0.2
B. 0.3
C. 0.4
D. 0.5
E. 0.6
If y ¤ x = y2x for all positive integers, then (3 ¤ 4) ¤ 2 =
A. 3^8
B. 3^12
C. 3^16
D. 3^24
E. 3^32
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