Question
Which method was used to date the cave painting in the
Leang Karampuang cave?Solution
Researchers used a new laser dating method on calcium carbonate crystals, revolutionizing rock art dating worldwide.
An investment of Rs. 9,600 at an annual interest rate of 'R' percent for three years yields a simple interest of Rs. 5,760. Calculate the compound inter...
A sum of money triples itself in 12 years. Find the rate percent per annum.
Compound interest on a certain sum of money for 2 years is Rs.3600 while the simple interest on the same sum for the same time period is Rs.3200. Find t...
The simple interest earned on ₹3,000 at a rate of 8% per annum for 4 years is ₹x. If ₹2,520 is the simple interest earned on ₹5,000 at a rate of...
A woman borrows Rs. 80,000 from a bank at 8% per annum. She invests Rs. 30,000 of it in a business at 12% per annum and the rest at 10% per annum. Calcu...
Rs. ’P’ invested at a rate of 15% p.a. compound interest (compounded annually) amounts to Rs. 8464 at the end of 2 years. Find the simple interest e...
If an investment of Rs. 5,120 grows to Rs. 6,480 in two years when compounded annually at an interest rate of 'R%' per annum, calculate the value of 'R'.
Simple interest received at the rate of 20% p.a. for 8 years on a principal amount of Rs. 6000 is twice of the simple interest received at 10% p.a. for ...
A man invested Rs. 20,000 at simple interest of 'x%' p.a. and received Rs. 40,000 after 2 years. If he had invested Rs. 25,000 at simple interest of 'x%...
A man invested Rs. 7,000 at simple interest of 'x%' p.a. and received Rs. 14,000 after 2 years. If he had invested Rs. 80,000 at simple interest of 'x%'...
