The correct option is A 39 49:21→ 7× 7:7× 3 169:x→ 13× 13: 13× 3→ 169:39 Hence, option B is the correct answer. ...

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Sequence

49 : 21 :: 16...

Question

49 : 21 :: 169:?

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Solution

The correct option is A 39
$49 : 21 \to 7 \times 7 : 7 \times 3$
$169 : x \to 13 \times 13 : 13 \times 3 \to 169 : 39$
Hence, option $B$ is the correct answer.

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Similar questions

49, 121, 169, 289, 371, 529

49 : 169

Find the square root of:

$(i) \frac{441}{961}$ $(i i) \frac{324}{841}$ $(i i i) 4 \frac{29}{49}$ $(i v) 2 \frac{14}{25}$ $(v) 2 \frac{137}{196}$

$(v i) 23 \frac{26}{121}$ $(v i i) 25 \frac{544}{729}$ $(v i i i) 75 \frac{46}{49}$ $(i x) 3 \frac{942}{2209}$ $(x) 3 \frac{334}{3025}$

$(x i) 21 \frac{2797}{3364}$ $(x i i) 38 \frac{11}{25}$ $(x i i i) 23 \frac{394}{729}$ $(x i v) 21 \frac{51}{169}$ $(x v) 10 \frac{151}{169}$

Question 49

Which ratio is larger 10 : 21 and 21 : 93?

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