Question
VA Tech Wabag has secured an order worth about Rs 800
crore towards design, build and operate (DBO) for the reconstruction, expansion and operation of a sewage treatment plant (STP) with a capacity of 200 million litre per day (MLD) in _____.Solution
 Chennai-based water technology company VA Tech Wabag has secured an order worth about Rs 800 crore towards design, build and operate (DBO) for the reconstruction, expansion and operation of a sewage treatment plant (STP) with a capacity of 200 million litre per day (MLD) at Pagla in Dhaka.   The STP project of Dhaka Water Supply & Sewerage Authority (Dhaka WASA) is funded by multilateral funding agencies like World Bank and Asian Infrastructure Investment Bank (AIIB) under the Dhaka Sanitation Improvement Project (DSIP).  The scope of the project includes design, engineering, supply, construction, installation and commissioning of the STP followed by operation and maintenance (O&M) for a period of 60 months.
If a sum when placed at compound interest grows to Rs.6,400 in 2 yrs and to Rs. 8,000 in 3 yrs, find the rate percent p.a.
...- Rs. 10,200 is the amount after 2 years when invested at r% p.a. in simple interest. If the rate had been (r + 6)% p.a., the final amount would be Rs. 10,92...
The difference between compound interest and simple interest on a sum of Rs. 20,000 for 2 years at the same rate is Rs. 200. What is the annual rate of ...
A person deposited a sum at 7% simple interest per annum for 3 years. The interest he earned is Rs. 180 more than the compound interest he would have ea...
Rs. (n + 200) invested on simple interest amounts to Rs. 2,400 and Rs. 2,880 in 4 years and 6 years, respectively. Find the value of 'n'.
Rs. 6,000 is deposited in Scheme 'X' which provides compound interest at 8% per annum, compounded annually. Another amount of Rs. 5600 is invested in Sc...
Suresh earned an interest of Rs. 1161 on principal amount of Rs. 3600 at some rate of compound interest in 2 years. How much more/less interest would he...
Meera took Rs. 3600 at R% S.I. and Rs. 5400 at (R + 4)% S.I. for 3 years. If the total interest amounted to Rs. 3888, find the rate on Rs. 5400.
If the ratio of the sum invested and simple interest received after 1 year is 20:11 respectively, then find the rate of interest.
Anoop invested Rs. 'r', while Binny invested Rs. 15,000. After 7 months, Anoop reduced his investment by Rs. 3,000, and Binny red...