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Let the efficiency of A be 100. Given that B is thrice as efficient as A Efficiency of B = 300 Also given that C is 0.50 times as efficient as A Efficiency of C = 50 From the given data, We need to find the ratio of several days A, B, and C when they work individually LCM of 100, 300, and 50 is 300 Ratio of several days when they work individually. 300/100: 300/300: 300 /50 =3:1:6.
A vessel contains 120 liters of a mixture of milk and water, with 75% of it being milk. If 30 liters of this mixture is replaced by 30 liters of water, ...
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
A certain sum of money becomes 4000 in 6 years and Rs. 5400 in 10 years at any certain rate of simple interest. Find the principal amount.
A sum of money triples itself in 12 years. Find the rate percent per annum.
The difference between compound interest and simple interest at rate of 16% per annum for 2 years is Rs. 192. Find the simple interest obtained on same ...
At a simple interest rate of 20% per year for three years, 'P' invested Rs. 'p + 250', and for two years, Rs. 'p + 500' at a simple interest rate of 30%...
Vaishali invested Rs. (X + 3000) on compound interest of r% p.a. compounded annually for 2 years and Tanushi invested Rs. (X – 2000) on simple interes...
The simple interest received on a certain sum is Rs. 400 less than the sum invested. If the sum was invested at 15% p.a. for 5 years, then find the simp...
What sum of money must be given at simple interest for 3 months at 4% per annum in order to earn Rs. 240 interest?
A woman borrows Rs. 80,000 from a bank at 8% per annum. She invests Rs. 30,000 of it in a business at 12% per annum and the rest at 10% per annum. Calcu...
