Math Test Preparation Problems on Ratio And Proportions Part 2

Test Preparation on Math Test Preparation Problems on Ratio And Proportions Part 2

1.

What least number must be subtracted from each of the numbers 14, 17, 34, and 42 so that the remainders may be proportional?

10
21
32
47

2.

The ratio of the number of boys and girls in a school is 3: 2. If 20% of the boys and 25% of the girls are scholarship holders, what percentage of the students does not get the scholarship?

156
278
370
480

3.

The two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :

12 : 5
24 : 5
33 : 5
46 : 7

4.

The compound ratio of (2 : 3), (6: 11), and (11: 2) is:

11 : 2
211 : 24
32 : 1
436 : 121

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