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If there are a ceratin number of students along the width of the class room and thrice the number along the length, find an expression to determine the class strength. Using the same, evaluate the class strength if students along the width are 7. |
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Answer» If there are a ceratin number of students along the width of the class room and thrice the number along the length, find an expression to determine the class strength. Using the same, evaluate the class strength if students along the width are 7. |
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