A alone can do a work in 30 days and B alone in 40 days. They start working together, but A leaves 5 days before the completion of the work. For how many days did A work?

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?