MATH problems...ANSWER?

1. A plane sits 3 passengers on each side of the aisle. Passengers in rows 20 - 25 were asked to board the plane first. Assuming each seat was booked. How many passengers is it?


a.18 b.36 c.30 d.45





2. Probability that when he two number cubes rolled the sum is less than 8.


a.1/4 b. 2/36 c.1/6 d.2/3





3. An integer from 1 to 20 inclusive is drawn at random. What is the probability that the number drawn is even AND a multiple of 4.


a.4 b.5 c.1/4 d.1/5





4. An athletic store stocks 15 kinds of basketball shoes in 6 sizes. Each kind of shoe comes in 3 ankle heights: low, mid, and high-tops. How many pairs of basketball shoes should the manager order if she wants to carry one of each combination?


a. 270 b.24 c.90 d.51





5. If you use only the digits 1-9, how many 3.digit numbers can you write?


a.720 b.540 c.729 d.none of the above





6. A dress shop stocks 6 styles of blouses. Each blouse comes in 7 sizes and 5 colors. How many different selections are possible?


a.18 b.210 c.12 d.none of th

MATH problems...ANSWER?
1.] 3... 6 per row. 5 rows boarded... 30 people..


ANSWER: C





2.] GOOD LUCK WITH THAT ONE!





3.] 10 even.. 4.8.12.16.20





5/20= 1/4





ANSWER: C





4.]15... 6 sizes.. 3 heights.





15*6*3= 270





ANSWER: A





5.] can the numbers be used twice?





if so, 9*9*9= 729


if not, 9*8*7= 504





ANSWER: EITHER C OR D ^^^





6.] 6*7*5= 210





ANSWER: B
Reply:I%26#039;ve done question 2 using 2 different methods and I keep getting 21/36, which rounds to 7/12, which is not one of the answers given.....



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