Question
According to the WMO, by how much did CO2 concentrations
increase over the last 20 years to reach 420 ppm in 2023?Solution
The WMO reported an 11.4% increase in CO2 levels over the past 20 years, driven by fossil fuel combustion and vegetation fires, contributing to the record concentration of 420 ppm in 2023.
A man deposited Rs. ‘x + 700’ at 12% per annum simple interest and earned Rs. 624 as interest after 2 years. Find the interest earned by him if he d...
A woman invests Rs. 2000 at the start of each year at 5% compound interest per annum. How much will her investments be at the end of the 2nd year?
Ravi shared Rs. (x + 3600) between his two kids, Arjun and Bharat, in the ratio of 5:3. Arjun put his share in a simple interest scheme at 10% p.a. for ...
The compound interest received on investing Rs. 4500 for 2 years at compound interest of 20% p.a compounded annually is how much percentage more than th...
- Aman saves Rs. 5,800 in a bank at 9% simple interest for 4 years. If he gets back Rs. '2q' in total, calculate the product of digits of 'q'.
Invest Rs. 1,800 at an annual compound interest rate of 'R%.' After two years, the interest accrued is Rs. 792. Determine the rate 'R.'
A took a loan of Rs.5410 at simple interest of 20% p.a. and invested the same money in a scheme at simple interest of 30% p.a. Find the profit earned by...
A borrowed Rs. 5500 from B for his business. How much amount A will return to B at the end of 21 months such that the sum was borrowed at simple interes...
A took loan from a bank at the rate of 17%p.a. simple interest. After 5 years he had to pay Rs.6800 interest only for the period. The principal amount b...
In what time will Rs. 21000 amount to Rs. 27951 @ 10% compound interest?
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