Question : If 42, 36, and 35 are the first three terms of a proportion, then the fourth term is:
Option 1: 27
Option 2: 28
Option 3: 30
Option 4: 32
Answer (1)
20th Jan, 2024
Correct Answer: 30
Solution :
Let the fourth term be $x$.
According to the question,
⇒ $42 × x = 36 × 35$
⇒ $x = \frac{36 × 35}{42} = 30$
Hence, the correct answer is 30.
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