Question

The difference between the predecessor of a number and the number it self is-
a) 1
b) -1
c) 2
d) -2​

Answer 1

Answer:

a) 1

Step-by-step explanation:

let the number be 5.

then the predecessor of the number 5 is 4.

the difference between the predecessor of the number and the number itself will be = 5 - 4

= 1

Therefore, option a) is the answer.

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The difference between the predecessor of a number and the number it self is

a) 1

b) - 1

c) 2

d) - 2

EVALUATION

Let N be the given number

We know that for any given number N the predecessor of the number is obtained by subtracting 1 from the number

The predecessor of N = N - 1

Hence the required difference between the predecessor of a number and the number it self

= The difference between the predecessor of N and the number N

= N - 1 - N

= - 1

FINAL ANSWER

Hence the correct option is b) - 1

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