Find the arithmetic mean if the angles and their weights were given as 20˚42ꞌ

Question

Find the arithmetic mean if the angles and their weights were given as 20˚42ꞌ3ꞌꞌ, 20˚42ꞌ4ꞌꞌ, 20˚42ꞌ6ꞌꞌ and 2, 2, 2 respectively.

Options:

A . 20˚42ꞌ6.3ꞌꞌ

B . 20˚42ꞌ5.3ꞌꞌ

C . 20˚42ꞌ1.3ꞌꞌ

D . 20˚42ꞌ4.3ꞌꞌ

Answer: Option D
Answer: (d).20˚42ꞌ4.3ꞌꞌ

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