एक सामान्य रूप से वितरित जनसंख्या (normally distributed population) में, माध्य (Mean) ± 1.96 मानक विचलन (SD) द्वारा परिभाषित क्षेत्र लगभग कितने प्रतिशत जनसंख्या को कवर करेगा?

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?