CAT Question of the Day Let N be the smallest positive integer with six positive odd integer divisors and twelve positive even integer divisors. Find the sum of the digits of N?
| OPTIONS | | |  | 1) | 18 | | | 2) | 9 | | | 3) | 27 | | | 4) | 15 |
Tip of the Day In a triangle, the sum of any two sides has to be greater than the third side. Also, if the sum of the squares of the two smaller sides is less than the square of the third side, the triangle has an obtuse angle. Last year's Question of the day (26-Nov-11) nC0 + nC1 + nC2 + nC3 + nC4 +…+ nCn–1 + nCn = ?
| OPTIONS | | | | | 1) | n2 | | | 2) | 2n–1 | | | 3) | 2n | | | 4) | 2n – 1 |
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