Sonu and Monu together can do a piece of work in 30 days. If Sonu is 20% less efficient than Monu, in how many days can Sonu, working alone, complete 40% of the total 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?