A) 21
B) 81
C) 36
D) 32
Correct Answer: C
Solution :
[c] The pattern is as follows : \[4={{(2)}^{2}}\,;\,\,16={{(4)}^{2}}\,\,;\,\,36={{(6)}^{2}};\] \[64={{(8)}^{2}}\,\,;\,\,196={{(14)}^{2}}\,\,;\,\,169={{(13)}^{2}};\] \[144=\,{{(12)}^{2}};\]
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