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Perovskite has emerged as a groundbreaking material in the photovoltaic industry due to its high light absorption and easier manufacturing processes, offering a substantial improvement over the efficiency limits of traditional silicon - based solar panels .
The amount of a certain sum in 3 years at simple interest at x % p.a. is ₹5,472 and the amount of the same sum in 7(1/2) years at the same rate, at si...
In scheme A and B, Rs. ‘z’ and Rs. ‘(z+5000)’ were invested at the rate of (R-6)% and ‘R’% per annum on simple interest. After two years, th...
The simple interest earned on 2,400 at a rate of 5% per annum for 3 years is RS x and RS 1,736 is the simple interest earned on RS 6,200 at a rate of 14...
Rahul invested Rs. 2450 at a 40% per annum simple interest rate for 'y' years, and this investment yielded a total amount of Rs. 4410. Find the interest...
Atul has Rs.350 with him. He invested 20% of the amount at 5% p.a. for 8 years and rest at 10% p.a. for 5 years. Find the sum of simple interests receiv...
A certain sum of money becomes 4000 in 6 years and Rs. 5000 in 10 years at any certain rate of simple interest. Find the principal amount.
A sum of money grows to Rs 9,600 in 2 years when invested at a simple interest rate of 10% per annum. If the same sum of money is invested at the same i...
A man invested ₹40,000 in two schemes A and B offering simple interest at the rate of 8% per annum and 10% per annum respectively. If the total intere...
Nikhil invested two amounts, Rs. '2N' and Rs. '3N', at simple and compound interest rates respectively. The first amount, Rs. '2N', was invested at a si...
