What is the value of the following? 31^ 33^ 35^ 57^ 59^

NDA 2021 Mathematics question

What is the value of the following?

31° 33° 35°·s 57° 59°

Answer: (C)

The angles 31°, 33°, …, 59° are 15 angles in AP with middle angle 45°. Using , pair the terms equidistant from the ends: , $ 33°

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Question ID VK-033510