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Here is the weight taken in grade 7:
Roll No.
Names
Weight in Kg
Roll No.
Names
Weight in Kg
1
Ashish
48
6
Dipti
30
2
Govind
46
7
Kavita
27
3
Neeraj
38
8
Faizaan
25
4
Armaan
35
9
Ajay
27
5
Manisha
32
10
Jay
29
What is the difference between the weight of the heaviest and the lightest student?

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23 kg

25 kg

24 kg

22 kg

answer is A.

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Detailed Solution

By looking at the table we can say:

Roll No.	Names	Weight in Kg	Roll No.	Names	Weight in Kg
1	Ashish	48	6	Dipti	30
2	Govind	46	7	Kavita	27
3	Neeraj	38	8	Faizaan	25
4	Armaan	35	9	Ajay	27
5	Manisha	32	10	Jay	29

The heaviest weight is 48 kg, and the lightest weight is 25 kg.

So, difference = (48 - 25) kg = 23 kg.

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