Monday, 11 January 2016

Ratio and Proportions

1)      If the ratio of men to women in a Particular dormitory is 5:3, which of the following could not be the number of residents in the dormitory?
(A) 24                  (B)40                     (C)96                     (D)150                   (E)224

2)      The Concession stand at cinema city sells popcorn in three sizes: large, super and jumbo. One day, cinema city sold 240 bags of popcorn and the ratio of large to super to jumbo was 8:17:15. How many super bags of popcorn were sold that day?
________

3)      If the ratio of large to upper to jumbo bags of popcorn sold at cinema city was 8:17:15, what percent of the bags sold were super?
(A)20%               (B)25%                  (C)33.33%            (D)37.5%              (E)42.5%

4)      If ¾ of the employees in a supermarket are not College graduates, what is the ratio of the number of college graduates to those who are not college graduates?
(A)1:3                 (B)3:7                    (C)3:4                    (D)4:3                    (E)3:1

5)      Scott can read 50 pages per hour this rate, how many pages can he read in 50 minutes?
(A)25                   (B)41.66               (C)45.5                  (D)48                     (E)60.

6)      If all the members of a team are Juniors or Seniors , and if the ratio of juniors to seniors on the team is 3:5. What Percent of the team members are Seniors?
(A)37.5%           (B)40%                  (C)60%                  (D)62.5%              
(E)It cannot be determined from the information given.

7)      The ratio of the number of freshmen to sophomores to juniors to seniors on a college basketball team is 4:7:6:8. What percent of the team are Sophomores?
(A)16%               (B)24%                (C)25%                  (D)28%                 (E)32%

8)      If a: b=3:5 and a: c=5:7, what is the value of b:c?
(A)3:7                 (B)21:35               (C)21:25               (D)25:21               (E)7:3.

9)      A Snail can move I inches in m minutes. At this rate, how many feet can it move in h hours ?
(A)5hi/m            (B)60hi/m               (C)hi/12m              (D)5m/hi               (E)5him.

10)   Gilda can grade ‘t’ tests in 1/x hours. At this rate, how many tests can she grade in x hours?
(A)tx                   (B)tx^2                 (C)1/t                    (D)x/t                    (E)1/tx.

11)   If 500 pounds of mush will feed 20 Pigs for a week, for how many days wil 200 pounds of mush feed 14 Pigs?
______

12)   The ratio of red to blue marbles in a jar was 3:5. The same number of red and blue marbles were added to the jar.
Column A                                                                            Column B
              The ratio of red to blue                                                                 3:5         
                     Marbles now    

13)   The ratio of number of boys to girls in the chess club is 5:2. The ratio of the number of boys to girls in the glee club is 11:4.
Column A                                                       Column B
    The number of boys in the class club.           The number of boys in the ghee club.

14)   Sally invited the same number of boys and girls to her party. Everyone who was invited came, but 5 additional boys showed up. This caused the ratio of girls to boys at the party to be 4:5.
Column A                                                           Column B
The number people she invited to her Party.                                    40

15)   Three associates agreed to Split the $3000 Profit of an investment in the ratio of 2:5:8.
            Column A                                                              Column B
              The difference between the largest and the                       $1200

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