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Multiplication of Negative Numbers

If A : B =2: ...

Question

If A:B =2:3 & B:C=4:5, then C:A is equal to__________

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Solution

A/B = 2/3......(1)

B/C = 4/5......(2)

MULTIPLYING (1) AND (2)

A/C = 8/15...THEREFORE C/A = 15/8

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Similar questions

A : B = 2 : 3

B : C = 4 : 5

C : A

is equal to ________.

Q. If a:b = 2:3 and b:c = 4:5, then a:c = .

Q. Fill in the blanks.

(i) If A : B = 2 : 3 and B : C = 4 : 5, then C : A = ...... .
(ii) If 16% of A = 20% of B, then A : B = ...... .
(iii) If

A = \frac{1}{3} B a n d B = \frac{1}{2} C,

then A : B : C = ...... .
(iv) If A : B = 5 : 7 and B : C = 6 : 11, then A : B : C = ...... .

3 : 4

5 : 6

Q. Mark (✓) against the correct answer
If A : B = 2 : 3 and B : C = 4 : 5, then C : A = ?

(a) 15 : 8
(b) 6 : 5
(c) 8 : 5
(d) 8 : 15

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