Alloy A contains iron and copper in ratio 4:5. Alloy B contains iron and copper in ratio 3: 4. If 63kg of alloy A and 56 kg of alloy B are mixed, then w...
One type of liquid contains 15% of benzene, the other contains 20% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the secon...
Cost of two types of pulses is Rs.14 and Rs, 19 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
A sum of ₹ 31 was divided among 50 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys.
In what ratio coffee at 255 Rs/kg should be mixed with the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st ty...
A trader mixes two types of rice varieties with a cost of Rs.68 and Rs.80. If he sells the mixture of Rs.88 at 25% profit, in what ratio he mixes two ty...
In what ratio mixtures of 22% concentration of alcohol and 35% concentration of alcohol are to be added so that the resultant mixture will have 30% conc...
Anju deposited two parts of a sum of Rs. 30,000 in different banks at the rate of 15% per annum and 12% per annum respectively. In one year she got Rs. ...
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
The combined Average marks of Boys and girls of a class is 66 and the ratio of number of boys and girls is 3:1 and the average marks of the boys is 68. ...
