Aptitude - Decimal Fraction - Discussion
Discussion Forum : Decimal Fraction - General Questions (Q.No. 12)
12.
| 4.2 x 4.2 - 1.9 x 1.9 | is equal to: |
| 2.3 x 6.1 |
Answer: Option
Explanation:
| Given Expression = | (a2 - b2) | = | (a2 - b2) | = 1. |
| (a + b)(a - b) | (a2 - b2) |
Discussion:
14 comments Page 2 of 2.
Nitika said:
1 decade ago
Really mind blowing. Very good explanation.
(1)
Shubh said:
7 years ago
Nice & clear explanation. Thanks @Arvind.
Prasad said:
1 decade ago
But how to think that much logically?
Mohan bhuyan said:
5 years ago
Thanks all for explaining the answer.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers