CAT Question of the Day Let x, y and z are positive numbers such that, xyz = 1081. If (log 10 x)(log 10 yz) + (log 10 y)(log 10 z) = 468, Find  | OPTIONS | | |  | 1) | 75 | | | 2) | 63 | | | 3) | 72 | | | 4) | None of these |
Tip of the Day In a test, even after spending a reasonable amount of time on a question if you find that you are not making any head-way, it makes sense to leave that question and forget about it. While solving the next set of questions, avoid mulling over the lost time and reducing your concentration. Last year's Question of the day (09-Sep-11) nC0 – nC1 + nC2 – nC3 + nC4 +…+ (–1)n–1 nCn–1 + (–1)n nCn = ?
| OPTIONS | | | | | 1) | 0 | | | 2) | (–1)n + 1 | | | 3) | 1 | | | 4) | 2n |
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