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Q.

How many natural numbers are there between 50205 and 50225?


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a

16

b

17

c

18

d

19 

answer is D.

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Detailed Solution

        Natural numbers are a part of the number system that includes all the positive integers from 1 till infinity whereas Natural numbers are part of real numbers.
        It should be noted that the natural numbers are the ones which include only the positive integers, N = {1, 2, 3…. }.
        Natural numbers will never include negative numbers or zero.
        If the successor of x equals the successor of y, then x is also equal to y.
We know that,
Total natural numbers between the natural numbers x and y wherein y is less than x (y < x),
⇒ T=
x-y=1………….(1)

Given:
x=50225 y=50205  Substituting the given values of x and y in the equation (1),
T=x-y=1 T=50225-50205-1
T=20-1
T=19
Hence, the total natural numbers between 50205 and 50225 = 19.
 
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