A sum of money amounts to Rs 400 in 1 year and Rs 441 in 2 The rate of semi-annual compound interest. ) अर्धवार्षिक चक्रीय मिश्रधन निकाल्ने सूत्र लेख्नुहोस । Write the formula for finding semi-annual compound amount. ) अर्धवार्षिक चक्रीय ब्याजदर गणना गर्नुहोस् । Calculate the rate of semi-annual compound interest.​