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કોઈપણ બેકી પૂર્ણાંકનો વર્ગ હંમેશા કઈ સંખ્યા વડે વિભાજ્ય હોય છે?

A3
B5
C6
D4
Answer & Solution
Correct answer: D. 4
કારણ કે (2n)^2 = 4n^2, તેથી કોઈપણ બેકી સંખ્યાનો વર્ગ 4 વડે વિભાજ્ય હોય છે.
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