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Using Heron's formula: Area = √[s(s - a)(s - b)(s - c)], where s = (a + b + c) / 2 s = (13 + 14 + 15) / 2 = 21 Area = √[21(21 - 13)(21 - 14)(21 - 15)] = √[21 × 8 × 7 × 6] = √7056 = 84 cm²
The difference between compound interest and simple interest at rate of 12% per annum for 2 years is Rs. 144. Find the simple interest obtained on same ...
A borrowed Rs. 5200 from B for his business. How much amount A will return to B at the end of 15 months such that the sum was borrowed at simple interes...
Nisha deposited Rs. ‘P’ in a bank offering compound interest of 11% p.a. compounded annually. After 2 years, she invested the amount received from t...
Mandeep took a loan of Rs. 7,300 from his friend Sandeep on 16th March. The loan accrues simple interest at an annual rate of 20%. Calculate the total a...
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 lent out at simple interest amounts to 6076 in 1 year and 7504 in 4 years. The sum and the rate of interest p.a. are respectively
A Man deposited certain amount in the Bank at the end of each year. How much amount did he deposited at the end of each year at the rate of 15% simple ...
Anjali invested Rs.6000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from t...
The amounts invested by 'P' and 'Q' in Funds 'X' and 'Y' are in the ratio of 8:5. If 'P' invested ₹4800 more than 'Q,' determin...
What sum of money will become Rs.1352 in 2 years at 4 percent per annum compound interest?