HP Placement Papers

2008

 1 Sum of all multiples of 5 that are divisible by 2 and are between 100 and 200 is _____. 2 A dice was trown 2 times. What is the probability of getting a sum greater than 8? 3 4 coins are tossed simultaneously. What is the probability of getting atmost 3 heads? 4 The salaries of Raj, Ram and John are in the ratio 2:3:5. If an increment of 10%, 15% and 20% are given to them respectively, what would be the new ratio of their salaries? 5 Two numbers are in the ratio 3:5. If 9 is subtracted from both, the new numbers are in the ratio 12:23. What is the smaller number? 6 The product of the ages of A and B is 240. If twice the age of B is more than the age of A by 4 years, what is the age of B? 7 Six years ago, the ratio of the ages of Rekha and Sita was 6:5. Four years hence, the ratio of their ages will be 11:10. How old is Sita now? 8 1, 11, 21, 1211, 111221, 312211, ________ 9 2, 3, 7, 16, 65, 321, ________ 10 Vivek's mother's father in law's only son has a son and a daughter. What is Vivek's relation with the daughter? 11 Give the output of the below code segment main() {  printf("%d",scanf("%d%d",printf,scanf)); } 1)2  2)2 2  3)0  4)error 12 Write the output of the below code segment main() {  int s[]={1,2,3,4,5,6}; printf("%d",&a-&a); } 1)error  2)8  3)6  4)0 13 Some more questions from C, C++ like output of code segments. 14 Output of a grep command - go through the common UNIX commands. 15 Some questions on RDBMS - go through normalizations, join and other concepts. 16 Some questions from OS - go through process, fork, deadlock etc. 17 18 19 20

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