(− 2) $×$ (− 3) $×$ 6 $×$ (− 1) is equal to

(a) 36 (b) − 36 (c) 6 (d) − 6

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Solution

(− 2) $×$ (− 3) $×$ 6 $×$ (− 1) = (2 $×$ 3) $×$ 6 $×$ (− 1)
= 6 $×$ 6 $×$ (− 1)
= 36 $×$ (− 1)
= − (36 $×$ 1)
= − 36
Hence, the correct option is (b).

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