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Let daily work done of A =2units & Daily work done of B =1units So (A+B)’s 1 day work = 2+1 = 3units; Total work done by A & B in 14 days = 14×3 =42 units So A alone can complete job in = 42/2 = 21 days
The simple interest received on a sum at the rate of 4 percent per annum is 3/5 of the sum. What is the time period?
If you invest Rs. 5,000 in a fixed deposit account with an annual interest rate of 8%, compounded annually, how much money will you have after 3 years?
Rohit invested a certain amount at the rate of 6 p.c.p.a. and obtained a simple interest of Rs 8,730 at the end of 3 years. What amount of compound inte...
Anchal allocates a portion of his salary for various purposes. He invests 10% of his salary in a Provident Fund (PF) and then spends 30% of what's left ...
'Amit' placed an investment of Rs. (x - 600) at a simple interest rate of 10% per annum for a duration of 4 years. On the other hand, 'Bheem' invested R...
A person 'P' invests ₹24,000 at a simple interest rate of 15% per annum for 2 years, while Jay invests the same amount, ₹24,0...
The simple interest received on a certain sum is Rs. 250 less than the sum invested. If the sum was invested at 15% p.a. for 4 years, then find the simp...
An initial investment made at a 25% annual interest rate, compounded semi-annually, grows to Rs. 10,125 after one year. How much simple interest would t...
If a sum becomes 4 times in 20 years what is the rate of simple interest given?