Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 89)
89.
1904 x 1904 = ?
3654316
3632646
3625216
3623436
None of these
Answer: Option
Explanation:
1904 x 1904 = (1904)2
= (1900 + 4)2
= (1900)2 + (4)2 + (2 x 1900 x 4)
= 3610000 + 16 + 15200.
= 3625216.
Discussion:
1 comments Page 1 of 1.

Adhiban Prabhu said:   5 years ago
1+9+0+4 = 5 *1+9+0+4=5,
5 * 5 = 25=2+5=7.
3+6+2+5+2+1+6 = 7
So the answer is D)3625216.

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