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Using the algebraic formula: (x + y)² - (x - y)² = 4xy Substituting values: 4 * 15 * 7 = 420 Correct Answer: c)
If the simple interest for 6 years be equal to 60% of the principal. It will be equal to the principal after
Soni gets a SI of Rs. 3360 on a certain principle at the rate of 7%p.a. in 2 years. What CI will she get on twice the principal in 2 years at the same r...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2700 after 4 years. If the same amount is investe...
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?
A sum of money, when invested at an annual compound interest rate of 'r%', amounts to Rs. 3,600 after 2 years and Rs. 4,320 after 3 years. Determine th...
A sofa of MRP 1500 is available in Rs.300 cash down payment and 9 monthly equal installment of Rs.150 each. Find the rate of interest per annum.
The difference between compound interest and simple interest at the same rate for Rs. 1800 for 2 years is Rs. 18. The rate of interest per annum is:
Pawan invested an equal sum of money in two different SIPs at a bank—one earning 20% compound interest per annum and the other earning 24% simple inte...
Rs.6600 is divided into two parts such that if one part be invested at 4% and the other at 6%, the annual interest from both the investments is Rs. 372....
At what rate percent per annum will Rs. 75,000 yields a compound interest of Rs. 6,120 in 6 months if the interest is being compounded quarterly? Calcul...
