Math, asked by drdeepa34, 10 days ago

Q 25 - What no, must be added to every term of 3:5 to make the proportion 5:6 ? A-6 B - 7 C-12 D - 13​

Answers

Answered by Dabgod
0

Answer:

Step-by-step explanation:

Let the number be= x

A ratio of 3:5 and 5:6 can be written as \frac{3}{5} and \frac{5}{6} respectively.

ATQ,

    \frac{(3+x)}{(5+x)} = \frac{5}{6}

⇒ 18 + 6x = 25 +  5x

⇒ 6x-5x= 25-18

⇒ x= 7

Therefore, the required number is 7.

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