What is the reciprocal ratio of $4 : 9$

9 : 4

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16 : 18

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8 : 18

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81 : 16

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Solution

The correct option is A $9 : 4$
The reciprocal ratio of $a : b$ is $b : a$

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Similar questions

In the adjoining figure, ∆ ABC is right angled at ∠A, CD = 8cm & DB = 18cm. Find AD and the ratio of areas of ∆ ADB : ∆ CDA.

Q. The ratio of nucleons in

O^{16} a n d O^{18}

is :

Find the value of
$\frac{(18^{3} + 7^{3} + 3 \cdot 18 \cdot 7 \cdot 25)}{3^{6} + 6 \cdot 243 \cdot 2 + 15 \cdot 81 \cdot 4 + 20 \cdot 27 \cdot 8 + 15 \cdot 9 \cdot 16 + 6 \cdot 3 \cdot 32 + 64}$

Sides of two similar triangles are in the ratio 4 : 9. Areas of these triangles are in the ratio

(A) 2 : 3

(B) 4 : 9

(D) 16 : 81

Q. Find the compounded ratio of

18 : 9, 16 : 13

and

6 : 9

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What is the reciprocal ratio of 4:9

The correct option is A 9:4The reciprocal ratio of a:b is b:a

What is the reciprocal ratio of $4 : 9$

The correct option is A $9 : 4$
The reciprocal ratio of $a : b$ is $b : a$