120 students wrote an exam with 4 questions. 100 solved the first question, 95 the second, 90 the third, and 80 the fourth. What is the smallest possible number of students that solved all four questions?

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?