Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 5)
5.
1397 x 1397 = ?
Answer: Option
Explanation:
| 1397 x 1397 | = (1397)2 |
| = (1400 - 3)2 | |
| = (1400)2 + (3)2 - (2 x 1400 x 3) | |
| = 1960000 + 9 - 8400 | |
| = 1960009 - 8400 | |
| = 1951609. |
Discussion:
55 comments Page 6 of 6.
Sapna said:
1 decade ago
Very good explanation sunil.
Jay vaghela said:
1 decade ago
Where is come form 1400 ?
Atif said:
7 years ago
1397 * 1397 = 1951609.
(1)
Jyotirban Pandey said:
5 years ago
How did 1400 come?
(4)
Kiran said:
7 years ago
How come 1400?
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