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Time taken by A to complete the work = (x × 4) = 4x days Time taken by B to complete the work = (6x × 4/3) = 8x days According to question, => (1/4x) + (1/8x) = 1/32 => (2 + 1)/8x = 1/32 => 8x = 96 => x = 12
A sum of ₹8,500 amounts to ₹11,900 in 5 years at simple interest per annum. If the rate of interest is increased by 3%, then the increased amount fo...
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 sum of Rs. 3000 is invested at simple interest for 2 years. If the rate interest for first year is 10% p.a. while 18% p.a. for second year, then find ...
A person invested ₹15,000 in two schemes, Scheme A offering 10% per annum simple interest, and Scheme B offering 12% per annum simple interest. If the...
A table is available for Rs.350 or for Rs. 150 cash down payment together with Rs.230 to be paid after two months. Find the rate of interest charged und...
The difference between the compound interest, compounded annually and simple interest on Rs. ‘P’ at the rate of 20% p.a. for 2 years, is Rs....
An equal sum of money is invested in two schemes which offer interest at the same rate but one at simple interest and the other at compound interest (co...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1800 and simple interest of Rs.1600 at the end of 2 year...
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?
