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एक आयत का क्षेत्रफल $48$ cm² और चौड़ाई $6$ cm है। इसकी लंबाई ज्ञात कीजिए।

A$6$ cm
B$8$ cm
C$10$ cm
D$12$ cm
Answer & Solution
Correct answer: B. $8$ cm
लंबाई $= \dfrac{\text{क्षेत्रफल}}{\text{चौड़ाई}} = \dfrac{48}{6} = 8$ cm।
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