#### Encircle the odd one of the following  :(a) (–9) × 5 × 6 × (–3) (b) 9 × (–5) × 6 × (–3) (c) (–9) × (–5) × (–6) × 3 (d) 9 × (–5) × (–6) × 3

(c)

$\\ (a) \ (-9) \times 5 \times 6 \times(-3)=810 \\ (b) \ 9 \times(-5) \times 6 \times(-3)=810 \\ (c) \ (-9) \times(-5) \times(-6) \times 3=-810 \\ (d) \ 9 \times(-5) \times(-6) \times 3=810 \\$

$(-9) \times(-5) \times(-6) \times 3$ is different from other options.