2. Renu Bala deposits Rs 1200 now, Rs 800 two years from now and Rs 1000 five years from now. If the savings bank's rate of interest in 5%, she will receive an amount of Rs X 10 years from now, where X is
6. If a seller recovers his capital along with accumulated compensating interest not in one single lumpsum payment but in periodical equal payments, over time :
10. Three reservoirs A, B and C are interconnected by pipes as shown in the below figure Water surface elevations in the reservoirs and the Piezometric Head at the junction J are indicated in the below figure.