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Question
What is the product of the successor and predecessor of the largest 2 digit number?
What is the product of the successor and predecessor of the largest 2 digit number?
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Solution
The correct option is B 9800
The largest 2 digit number = 99
To find the successor of a number, we add 1 to it.
99 + 1 = 100
The successor of 99 = 100
To find the predecessor of a number we subtract 1 from the given number.
99 - 1 = 98
Predecessor of 99 = 98
∴ Product = 98×100=9800
9800
The largest 2 digit number = 99
To find the successor of a number, we add 1 to it.
99 + 1 = 100
The successor of 99 = 100
To find the predecessor of a number we subtract 1 from the given number.
99 - 1 = 98
Predecessor of 99 = 98
∴ Product = 98×100=9800
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