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ବର୍ଗ ସଂଖ୍ୟା 49 ଏବଂ 36 ମଧ୍ୟରେ ବ୍ୟବଧାନ କେତେ?

A13
B12
C11
D14
Answer & Solution
Correct answer: A. 13
କ୍ରମିକ ବର୍ଗ n² ଏବଂ (n-1)² ମଧ୍ୟରେ ବ୍ୟବଧାନ ହେଉଛି 2n - 1, ଯାହା n = 7 ପାଇଁ 13 ଅଟେ।
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