SBI-Ratio Concept

Question 1

Ratio = Compared/Base

examples of ratio is:?

Answer 1

What is the ratio of boys in your class to girls in your class?

here ratio is #boys to #girls, ratio = #boys/#girls

more examples?

Question 2

In a small business, 40 of the employees are men and 30 of the employees are women. What is ratio of women to men?

Question 3

The length of a rectangular garden is 20 feet and the width is 15 feet. What is ratio of length to width?

Question 4

Example of Part to Total ratio is like what ‘s the ratio of boys to total students,so ratio = #boys/#total students

sometimes we use terms like “2 out of 5”, or “2 boys in every 5 students” to refer to the same part to total ratio

more examples?

Question 5

A swimming club has 34 members, of which 14 are males and the rest are females. What is the ratio of females to all club members?

Question 6

Two out of three students in Mr. Peter’s class have pet dogs. If 18 students have dogs, how many students are in Mr. Peter’s class?

Question 7

The ratio of the number of girls to the number of children in Ms. Robinson’s class is 2:5. There are 30 children in Ms. Robinson’s class. How many girls are in the class?

Question 8

The ratio of the number of girls to the total number of children in Ms. Robinson’s class is 2:5. The number of girls in Ms. Robinson’s class is 12. How many children are in the class?

Question 9

There are 28 employees at the local bank. Every morning, 5 out of 7 employees use Route A to drive to work. How many employees use Route A to drive to work?

Question 10

apple : #orange : #banana = 2 : 3 : 5

Sometimes we use terms like “ the ratio between apple,orange, and banana is 2:3:5”, this is example of ratio between multiple quantities. so here:

Question 11

A truck is carrying mango juice, tomato juice, and orange juice bottles in a ratio of 4 : 1 : 3. If there are 13 tomato juice bottles, then how many orange juice bottles are there?

Question 12

A truck is carrying pineapple juice, pear juice, and grape juice bottles in a ratio of 7 : 1 : 2. If there are 16 pear juice bottles, then how many grape juice bottles are there?

Question 13

In a cookie mix, we find vanilla cookies, almond cookies, and butter cookies in a ratio of 3 : 2 : 3. If a bag of the mix contains 48 butter cookies, how many cookies in total are there?

Question 14

Sally typed 56 words in 2 minutes. How many minutes would it take Sally to type 192 words?

Question 15

An astronaut who weighs 174 lb on Earth weights 29 lb on the moon. If Stacy weighs 102 lb on Earth, how much would she weigh on the moon?

Question 18

Find the distance represented by 8 cm, if the scale is 1 cm : 72 m?

Question 19

Given the ratio between quantities, and one of them.

How to get other quantities?

Answer 19

use Ratio = compared/base to calculate ratio

use compared = Ratio x base to calculate compared

use base = compared/Ratio to calculate ratio

Question 20

Terms about Ratio:

for every b there is an/a

a is to b

a per b

a out of b (only for part-to-whole comparisons)

Question 21

A truck is carrying mango juice, tomato juice, and passion fruit juice bottles in a ratio of 4 : 4 : 3. If there are 1020 passion fruit juice bottles, then how many juice bottles in total are there?