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Question
In a class there are 21 tables. If 7 tables are arranged in a row, then how many such rows will be there in the classroom?
In a class there are 21 tables. If 7 tables are arranged in a row, then how many such rows will be there in the classroom?
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Solution
The correct option is B 3
To find the number of tables along shorter side we need to find the factors of 21
Total number of Tables =21
Tables in a single row = 7
factors of 21 =
1 x 21 , 3 x 7, 7 x 3, 21 x 1
So 3 such rows will be there in the classroom
To find the number of tables along shorter side we need to find the factors of 21
Total number of Tables =21
Tables in a single row = 7
factors of 21 =
1 x 21 , 3 x 7, 7 x 3, 21 x 1
So 3 such rows will be there in the classroom
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