The product of the predecessor and successor of an even natural number is

(a) divisible by 2
(b) divisible by 3
(c) divisible by 4
(d) an odd number

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Solution

(d) an odd number

Example:
Even natural number = 2
Predecessor of 2 = 2 − 1 = 1
Successor of 2 = 2 + 1 = 3
Their product = 1 × 3 = 3
Thus, the product is an odd number.

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The product of the predecessor and successor of an even natural number is (a) divisible by 2 (b) divisible by 3 (c) divisible by 4 (d) an odd number

(d) an odd number Example: Even natural number = 2 Predecessor of 2 = 2 − 1 = 1 Successor of 2 = 2 + 1 = 3 Their product = 1 × 3 = 3 Thus, the product is an odd number.

The product of the predecessor and successor of an even natural number is

(a) divisible by 2
(b) divisible by 3
(c) divisible by 4
(d) an odd number

(d) an odd number

Example:
Even natural number = 2
Predecessor of 2 = 2 − 1 = 1
Successor of 2 = 2 + 1 = 3
Their product = 1 × 3 = 3
Thus, the product is an odd number.