RD Sharma Solutions -Page No.9.9, Ratio Proportion And Unitary Method, Class 6, Maths Class 6 Notes | EduRev

RD Sharma Solutions for Class 6 Mathematics

Created by: Abhishek Kapoor

Class 6 : RD Sharma Solutions -Page No.9.9, Ratio Proportion And Unitary Method, Class 6, Maths Class 6 Notes | EduRev

The document RD Sharma Solutions -Page No.9.9, Ratio Proportion And Unitary Method, Class 6, Maths Class 6 Notes | EduRev is a part of the Class 6 Course RD Sharma Solutions for Class 6 Mathematics.
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PAGE NO 9.9:

Question 1: Which ratio is larger in the following pairs?
(i) 3 : 4 or 9 : 16
(ii) 15 : 16 or 24 : 25
(iii) 4 : 7 or 5 : 8
(iv) 9 : 20 or 8 : 13
(v) 1 : 2 or 13 : 27

ANSWER:

(i) 3 : 4
3 : 4 or 9 : 16
∵ 3 : 4 = 12 : 16 (After multiplying by 4)
And 12 > 9
∴ 3 : 4 > 9 : 16
(ii) 24 : 25
15 : 16 or 24 : 25
∵ 15 : 16 : : 375 : 400 (After multiplying by 25)
And, 24 : 25 : : 384 :  400 (After multiplying by 16)
And 375 < 384
∴ 15 : 16 < 24 : 25
(iii) 5 : 8
4 : 7 or 5 : 8
∵ 4 : 7 : : 32 : 56 (After multiplying by 8)
And, 5 : 8 : : 35 :  56 (After multiplying by 7)
And 32 < 35
∴ 4 : 7 < 5 : 8
(iv) 8 : 13
9 : 20 or 8 : 13
∵ 9 : 20 : : 117 : 260 (After multiplying by 13)
And, 8 : 13 : : 160 :  260 (After multiplying by 20)
And 117 < 160
∴ 9 : 20 < 8 : 13
(v) 1 : 2
1 : 2 or 13 : 27
∵ 1 : 2 : : 27 : 54 (After multiplying by 27)
And, 13 : 27 : : 26 : 54 (After multiplying by 16)
And 27 > 26
∴ 1 : 2 > 13 : 27


Question 2: Give two equivalent ratios of 6 : 8.

ANSWER:

Two equivalent ratios of 6 : 8 are 3 : 4 and 9 : 12.


Question 3: Fill in the following blanks:

RD Sharma Solutions -Page No.9.9, Ratio Proportion And Unitary Method, Class 6, Maths Class 6 Notes | EduRev

ANSWER:

12/20=3/5 (Dividing numerator and denominator by 4)

35=915 (Multiplying numerator and denominator by 3)
∴ 12/20 = 3/5 = 9/15

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