The sum of successor and predecessor of a number is times the number.

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Solution

The correct option is C 2
Successor of the number = Number + 1
Predecessor of the number = Number - 1
Their sum = Number + 1 + Number - 1
= Number + Number.
So, the sum is two times the number.

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Similar questions

If the sum of successor and predecessor of a number is 14, the number should be

32

49

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Question 185

Determine the sum of the four numbers as given below.

(a) Successor of 32

(b) Predecessor of 49

(d) Successor of successor of 67

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