MCQ
Encircle the odd one of the following
- A$(−9) \times 5 \times 6 \times (−3)$
- B$9 \times (−5) \times 6 \times (−3)$
- ✓$(−9) \times (−5) \times (−6) \times 3$
- D$9 \times (−5) \times (−6) \times 3$
✓
Answer
Correct option: C.
$(−9) \times (−5) \times (−6) \times 3$
$a.\ (−9) \times 5 \times 6 \times (−3) = 810$
$b.\ 9 \times (−5) \times 6 \times (−3) = 810$
$c.\ (−9) \times (−5) \times (−6) \times 3 = −810$
$d.\ 9 \times (−5) \times (−6) \times 3 = 810$
By the above calculation, we can see that option $c$ gives $- 810$ while other options give $810.$ Thus, optionc is different from all others.
$b.\ 9 \times (−5) \times 6 \times (−3) = 810$
$c.\ (−9) \times (−5) \times (−6) \times 3 = −810$
$d.\ 9 \times (−5) \times (−6) \times 3 = 810$
By the above calculation, we can see that option $c$ gives $- 810$ while other options give $810.$ Thus, optionc is different from all others.
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