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Introduction to Whole Numbers
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Mark the correct alternative of the foll
Question
Mark the correct alternative of the following.
The product of the successor and predecessor of
$99$
is?
A
$9800$
B
$9900$
C
$1099$
D
$9700$
Medium
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Solution
Verified by Toppr
Correct option is A)
The successor and the predecessor of the number
$99$
are
$99+1=100$
and
$99−1=98$
respectively.
So the product of the successor and the predecessor is
$98×100=9800$
.
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