Dell Placement Papers with Solutions(Aptitude & Technical questions)

Find the missing number in the series: 3, 6, 12, 24, ?, 96

A box contains 5 red balls and 3 blue balls. One ball is picked randomly. What is the probability of getting a red ball?

If 6 men can complete a task in 12 days, how many days will 8 men take to complete the same task?

A person buys a watch for Rs. 800 and sells it at a 20% profit. What is the selling price?

Data Structures : Which data structure is used for implementing recursion?

Operating Systems : Which of the following is a deadlock prevention technique?

Database Management Systems : Which SQL command is used to remove all records from a table without removing its structure?

Which protocol is used for secure data transmission over the internet?

Which of the following is NOT a principle of Object-Oriented Programming?

What will be the output of the following C code? #include int main() { int x = 10; printf("%d %d", x++, ++x); return 0; }