CAT Question of the Day Consider positive integers – a, b, c, and d, such that a > b > c > d. If a + b + c + d = 2012, and a2 – b2 + c2 – d2 = 2012, then find the number of possible values of a.
| OPTIONS | | |  | 1) | 467 | | | 2) | 497 | | | 3) | 501 | | | 4) | None of these |
Tip of the Day In an RC passage, making a 5 – 10 word summary of each paragraph, and writing it beside the paragraph increases retention and understanding of the passage. Last year's Question of the day (07-Sep-11) Find the product of the real roots of the equation:
x101 – 3x100 + 2x99 + x98 – 3x97 + 2x96 +…+ x2 – 3x + 2x0 = 0
| OPTIONS | | | | | 1) | –1 | | | 2) | 1 | | | 3) | 2 | | | 4) | –2 | | | 5) | 3 |
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