The correct option is D 26Given relationship is: nbsp;18 : 45 :: ? : 65.Here, the relationship is x : 2.5xLet the missing number be y.Therefore, 2.5y = 65or, ...

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Standard XII

Mathematics

Combination

18 : 45 :: ? ...

Question

18 : 45 :: ? : 65

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Solution

The correct option is D 26
Given relationship is: 18 : 45 :: ? : 65.
Here, the relationship is x : 2.5x
Let the missing number be y.
Therefore, 2.5y = 65
or, y = 26
Hence, option (D) is the correct answer.

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Similar questions

Q. Two numbers are such that their sum is

18

and product is

45

. Find the difference of these two numbers.

18 \times 145 - 18 \times 45

(-18) $\times$ 45 + (-18) $\times$ (-64) = ?

If some moles of $O_{2}$ diffuses in 18 sec and same moles of other gas diffuses in 45 sec.Find the molecular weight of the unknown gas .

If some moles of $O_{2}$ diffuse in 18 sec and same moles of other gas diffuse in 45 sec then what is the molecular weight of the unknown gas

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18 : 45 :: ? : 65

The correct option is D 26Given relationship is: 18 : 45 :: ? : 65.Here, the relationship is x : 2.5xLet the missing number be y.Therefore, 2.5y = 65or, y = 26Hence, option (D) is the correct answer.

The correct option is D 26
Given relationship is: 18 : 45 :: ? : 65.
Here, the relationship is x : 2.5x
Let the missing number be y.
Therefore, 2.5y = 65
or, y = 26
Hence, option (D) is the correct answer.