Question

Standard 9 Algebra
Chapter 4 Ratio and Proportion
Date : 01/12/2020
Q1 Compare the following ratios :
(i) 7 : 6 and 4 : 9
(ii) 1 : 7 and 5 : 22
(iii) 11 : 14 and 2 : 5
(iv) 3 : 11 and 2 : 15
(v) 10 : 5 and 14 : 9
Q2 If a
: b = 2
: 3 then find the values of the following ratios :

(i) (4a + 3b) : 3b

(ii) (5a² + 2b²) : (5a² - 2b²)
(iii) (a³ - b³) : b³
(iv) ( 5a + 7b ) : ( 5a - 7b)
(v) ( a + 2b ) : ( a - 2b )​

Answer 1

Answer:

Q1)

i) 7:6 > 4:9

ii) 1:7 < 5:22

iii) 11:14 > 2:5

iv) 3:11 > 2:15

v) 10:5 > 14:9

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