Question

√876 × 20.6 + 165.34 = ? (a) 700 (b) 686 (c) 775 (d) 846 (e) 745

Answer 1

$\sqrt{876} \times 20.6 + 165.34 \\ 2 \sqrt{219} \times 20.6 + 165.34 \\ 41.2 \sqrt{219} + 165.34 \\ 41.2 \times 14.79 + 165.34 \\ 774.68$
the answer is ≈ c)775.
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