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Wednesday, December 15, 2009 1. Let S indicates sum of all even nos from 1 to 100 and N indicates sum of all odd nos from 1 to 100, then S-N equals to A. 0 B. 99 C. 100 D. 199 E. 200 2. If x1, then Col A: power x Col B: x power 3. Col A: 2 power x Col B: 2 power 3x 4. Given sets f0, f1, f2, f3, .................. f9 which has numbers according to their unit digits for example f5 has numbers 5, 15, 25, ....... etc. Then, the cubes of the numbers of set f7 are present in which set? A. f2 B. f3 C. f5 D. f7 E. f9 5. Given f = 4 + 20x + 25; x as an integer. Col A: Minimum value of f Col B: 0 6. If a ball is dropped from a height of 6 miles, the ball will bounce back with 90% of its previous height. What is the height of the ball after 5th bounce? A. power 5 B. power 6 C. 6 power 4 D. 6 power5 E. 6 power 4 7. Given modx is an integer. Find the number of possible values of x? A. 1 | 
