Ratio
Solve these practice problems on ratio and proportion.
Q1. What number has 5 to 1 ratio to the number 10?
use basic concept of ratio and proportion to solve these questions
Given, ratio is 5 : 1 that means antecedent is 5 times greater than the consequent.
Given consequent = 10, so the number is 10 × 5 = 50 answer.
Given consequent = 10, so the number is 10 × 5 = 50 answer.
Q2. There are 120 students in a picnic tour, if ratio of girls and boys is 5 : 7 then how many boys are in this tour?
simple ratio problem based on 5th standard,
Given ratio of girls : boys = 5 : 7 = 5/7
multiplying the antecedent and consequent by the same number, let by x,
girls = 5x, and boys = 7x
total = 120;
as par given 5x + 7x = 120
=> x = 120/12 = 10
hence, girls = 5 × 10 = 50
and Boys = 7 × 10 = 70 answer
multiplying the antecedent and consequent by the same number, let by x,
girls = 5x, and boys = 7x
total = 120;
as par given 5x + 7x = 120
=> x = 120/12 = 10
hence, girls = 5 × 10 = 50
and Boys = 7 × 10 = 70 answer
Q3. in 3 : 5 , here 3 is
in a ratio the first term is called antecedent and the second term is called consequent. in 3 : 5, 3 is antecedent and 5 is consequent, means and extremes are terms used in case of proportion
i.e. 1 : 2 :: 2 : 4, here 1 and 4 are extremes and 2 and 2 are means.
i.e. 1 : 2 :: 2 : 4, here 1 and 4 are extremes and 2 and 2 are means.
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🎥 Video Resources
Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy
Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy
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