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Q.

If one symbol represents 50 children then half of the symbol represents ____________ children.



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a

5

b

25

c

15

d

20 

answer is B.

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Detailed Solution

Concept- Let's think about x, the total number of items. We must divide the total number of things by two in order to determine the half of the objects. We can write that in mathematical form,
Number of items overall = x
Then,
x2 for half of the things
It is implied that a symbol stands for fifty kids.
Take the symbol beX as an example.
Therefore, X=50 children in compliance with the problem.
As shown by the hint, we must split the sign by two in order to identify the other half.
The symbolic representation can be expressed as follows: Half of the sign =x2
Half of the symbol =502 = 25 is obtained when the value of X is substituted in the previous form.
That is one-half of the sign, which stands for 25 kids.
As a result, we have determined that, if one sign symbolizes 50 children, then half of a symbol represents 25 children.
Hence, the correct option is 2.
 ExamType: CBSE
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