After applying invertendo to $9 : 12 :: 13 : 40$ we get

9 : 13 :: 12 : 40

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40 : 12 :: 13 : 9

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9 : 12 :: 13 : 40

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12 : 9 :: 40 : 13

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Solution

The correct option is D $12 : 9 :: 40 : 13$
If $a : b :: c : d$ then $b : a :: d : c$ is invertendo property of ratios
We have $9 : 12 :: 13 : 40$
After applying invertendo we get
$12 : 9 :: 40 : 13$
Option D is correct

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Similar questions

Fill in the blanks.

(i) $(\frac{- 3}{17}) + (\frac{- 12}{5}) = (\frac{- 12}{5}) + (. . . . .)$

(ii) $- 9 + \frac{- 21}{8} = (. . . . . .) + (- 9)$

(iii) $(\frac{- 8}{13} + \frac{3}{7}) + (\frac{- 13}{4}) = (. . . . . .) + [\frac{3}{7} + (\frac{- 13}{4})]$

(iv) $- 12 + (\frac{7}{12} + \frac{- 9}{11}) = (- 12 + \frac{7}{12}) + (. . . . .)$

(v) $\frac{19}{- 5} + (\frac{- 3}{11} + \frac{- 7}{8}) = {\frac{19}{- 5} + (. . . . .)} + \frac{- 7}{8}$

(vi) $\frac{- 16}{7} + . . . . . = . . . . . . + \frac{- 16}{7} = \frac{- 16}{7}$

Verify each of the following :

(i) $\frac{3}{7} \times \frac{- 5}{9} = \frac{- 5}{9} \times \frac{3}{7}$

(ii) $\frac{- 8}{7} \times \frac{13}{9} = \frac{13}{9} \times \frac{- 8}{7}$

(iii) $\frac{- 12}{5} \times \frac{7}{- 36} = \frac{7}{- 36} \times \frac{- 12}{5}$

(iv) $- 8 \times \frac{- 13}{12} = \frac{- 13}{12} \times (- 8)$

Q. Find the mode for the following data:

$x$	$5$	$10$	$12$	$15$	$20$	$30$	$40$
$f$	$4$	$8$	$11$	$13$	$16$	$12$	$9$

Find the mean for the following data.

$\begin{matrix} C l a s s & 0 - 20 & 20 - 40 & 40 - 60 & 60 - 80 & 80 - 100 F r e q u e n c y & 5 & 11 & 12 & 13 & 9 \end{matrix}$

\frac{x + 1}{2} + \frac{y - 1}{3} = 8, \frac{x - 1}{3} + \frac{y + 1}{2} = 9 .

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After applying invertendo to 9:12::13:40 we get

The correct option is D 12:9::40:13If a:b::c:d then b:a::d:c is invertendo property of ratiosWe have 9:12::13:40After applying invertendo we get12:9::40:13Option D is correct

After applying invertendo to $9 : 12 :: 13 : 40$ we get

The correct option is D $12 : 9 :: 40 : 13$
If $a : b :: c : d$ then $b : a :: d : c$ is invertendo property of ratios
We have $9 : 12 :: 13 : 40$
After applying invertendo we get
$12 : 9 :: 40 : 13$
Option D is correct