Start learning 50% faster. Sign in now
Let the breadth of the floor = 'b' metres Then, perimeter of the floor = 2 x (25 + b) = 78 So, b = (78/2) - 25 = 14 So, area of the floor = 25 x 14 = 350 m2 So, cost of carpeting the floor = 350 x 8 = Rs. 2800 Hence, option a.
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2800 after 4 years. If the same amount is investe...
Arman Funded an amount at the rate of 6 % for a period of 2 years at C.I. while calculating, the rate of interest was interchanged with the time period ...
An investment of Rs. 8,430 is made in a Mutual Fund, offering a 10% per annum simple interest rate for 'p' years, while another investment of Rs. 8,800 ...
The difference between compound interest and simple interest at the same rate for Rs. 3200 for 2 years is Rs. 128. The rate of interest per annum is:
The compound interest on a certain amount, compounded semi-annually at a rate of 10% per half year for one year, is Rs. 810 less than the simple interes...
Mitch placed Rs. 32,000 in a compound interest account with an annual rate of 30%, compounded semi-annually. After investing for a period of 15 months, ...
The difference between the simple interest and the compound interest compounded annually at the same rate on a sum of money at the end of two years is R...
'P' invests a certain amount at an annual compound interest rate of 15% for two years, earning Rs. 3870 in interest. He then reinvests the total sum she...
Amit invested an amount in Fund 'P', which provides compound interest at a rate of 'r'% per annum, compounded annually. He invest...
Determine the value of 'K' if an investment of Rs. 30,000, made under a simple interest scheme at an annual rate of 18%, yields an interest amount of Rs...