Placement Papers - MCQ Practice Questions

What is the next number in the sequence: 2, 6, 12, 20, 30, ?

If A = 2B and B = 3C, and A + B + C = 22, find C.

In a group of 100 people, 60 like coffee, 50 like tea, and 30 like both. How many like neither?

A clock shows 3:00. What angle is between the hour and minute hands?

What is the probability of rolling a sum of 7 with two dice?

Three years ago, the sum of ages of father and son was 48. If the father is 20 years older, what is the current age of son?

A can do a work in 10 days and B in 15 days. How many days will both take together?

If a/b = $\frac{2}{3}$ and b/c = $\frac{3}{4}$, find a/c.

Select the pair that best represents a similar relationship: Teacher : School :: ?

Complete the sentence: Despite his _____ circumstances, he remained optimistic.

What is the synonym of 'Meticulous'?

Which of the following is a programming paradigm Google emphasizes for systems design?

In a hash table with 10 slots, if 15 elements are inserted with a good hash function, what is the expected average chain length?

What is the space complexity of QuickSort?

Which sorting algorithm is stable and has O(n log n) worst-case complexity?

In dynamic programming, what is memoization?

What is the correct output of: print(2 3 2) in Python?

In microservices architecture, what is an API Gateway?

What principle is followed when designing Google's systems?

What does MapReduce do?