If 11 $\times $ 11 = 4, 22 $\times $ 22 = 16, then 33 $\times $ 33 = ?
If 11 $\times $ 11 = 4, $ 22 \times 22 $ = 16, then $ 33 \times 33 $ = ?
यदि $ 11\times 11 $ = 4, $ 22\times 22 $ = 16, तो $ 33 \times 33 $ = ?
Detailed Solution & Logic
Correct Answer:
18
$11\times 11 $=121= 1+ 2+ 1 = 4
$22 \times 22 $= 484 = 4 + 8 +4 = 16
same logic
$33\times 33 $=1089 = 1 + 0 + 8 + 9 = 18
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