Gujarat BoardEnglish MediumSTD 7MATHSIntegers1 Mark
MCQ
$(-11) \times 7$ is not equal to:
A
$11 \times (-7)$
B
$-(11 \times 7)$
✓
$(-11) \times (-7)$
D
$7 \times (-11)$
✓
Answer
Correct option: C.
$(-11) \times (-7)$
$(-11) \times 7 = (-77) ($we know, in multiplication, if sign of both numbers are different, then the sign of the resultant is negative and if sign of both numbers are same, then the sign of the resultant is positive$.)$
$a. 11 \times (-7) = -77$
$b. -(11 \times 7) = -77$
$c. (-11) \times (-7) = 77$
$d. 7 \times (-11) = -77$
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