Ratio & Proportion

For what reason are you doing this Quizizz ?

• To revise my concepts

• To know my mistakes

• Because ma'am said to do it

• To win this quizizz

Which of the following proportions are actually in equal proportion ? (select all appropriate ratios and then click submit)

• 32 : 4 : : 64 : 8

• 10475 : 2095 : : 52375 : 10475

• 3 : 1 : : 2518.35 : 7555.05

• 624 : 2 : : 25272 : 81

Two numbers are in the ratio 3 : 7. If their sum is 710, find the numbers. ( answer in this format: 26487,0764582 (just examples of number))

A certain sum of money is divided among A, B, C in the ratio 2 : 3 : 4. If A's share is $13753, find the share of B and C.(Same format as before)

Find the first term, if second, third and fourth terms are 21, 80, 120. (Directly write the number without any formatting)

In the proportion 2649 : 9,255.481859410431 : : 2646 : 9245, identify the mean terms.

• 2646 and 9,255.481859510431

• 2649 and 9,255.481859410431

• 2646 and 9,255.481859410431

• 2649 and 9,245

Simplify:

A) 252 : 9506

B) 234 : 9

(Format: 3915 : 815367,86135 : 89356)

In a box there are red and blue marbles, if the ratio of red marbles to blue marbles is 7:4 then which of the following numbers could be the total number of marbles in the box?

• 10

• 26

• 22

• 18

If there are 370 pages in a mathematics book, but the page numbers start from -117, then what is the ratio of pages which have a negative integer as page number to pages which have positive integers as page numbers (Format: 8257975126 : 71569516)

If the ratio of the length and breadth of a rectangle is 5 : 7, then what is the ratio of area to perimeter of the same rectangle, write the answer in the simplest form. (Format: 92579yuadg : 29856795iagbr) (variable should be x only)