Question
Which state government has launched buses with air
purifiers to reduce the pollution level?Solution
West Bengal government has launched buses with air purifiers to reduce the pollution level in Kolkata city. West Bengal Pollution Control Board (WBPCB) has launched it with Bus Roof Mounted Air Purification System (BRMAPS). This is the first of its kind system in India named as 'Sudha Vayu'. 20 such buses have been launched. This is a part of a pilot project in collaboration with scientists from IIT Delhi.
Akshay invested Rs. 960 in two schemes P and Q in the respective ratio of 5:3. Scheme P and Q are offering simple interest at the rate of 7% per annum a...
The interest earned on investing Rs. 9000 for 2 years at the rate of 10% p.a., compounded annually, is used to purchase an article. If the article is la...
Mr. P invested Rs. ‘2x’ in scheme ‘A’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
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Roshan and Rahul received marks in their quarterly exam in a ratio of 9:8. Additionally, the ratio of marks Roshan obtained in the quarterly exam to the...
The interest received on investing Rs. (5p + 150) on simple interest at 15% p.a. for 2 years is Rs. (2p + 240). Find the ratio (p - 90):(p + 60)
Suresh earned an interest of Rs. 774 on principal amount of Rs. 2400 at some rate of compound interest in 2 years. How much more/less interest would he ...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1560 and simple interest of Rs.1500 at the end of 2 year...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2100 after 3 years. If the same amount is investe...
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