Let the sum invested and simple interest received be Rs.20x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 9x => r = 45%
The ratio of the number of boys and girls in a school is 23:17. If 45% of the boys and 50% of the girls got passed out of 1600 students, the approximate...
12, 13, 22, 47, 96, ?
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. ...
Cost of two types of pulses is Rs.11 and Rs, 16 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
A car travel 20km/h for 30 min and at x km/h for 45 min. If the average speed of the car for entire journey is 14 km/h find the value of x.
A vessel contains 50 liters of a solution with 40% acid. 10 liters of this solution are removed and replaced with a solution containing 70% acid. The pr...
The perimeter of a square field is 10 cm more than the perimeter of a rectangle. The length of the rectangle is 60 cm which is 80% of its width. If a st...
In what ratio coffee at 265 Rs/kg should be mixed with the coffee at 305 Rs/kg so that after mixture its rate become 280 Rs/kg if the quantity of 1st ty...
In a jug, there is a mixture of apple and orange juice in the ratio of p:3. When 10 liters of Apple are added, the ratio of Apple to orange juice become...
The ratio of liquor and soda in a mixture of 70 liters is 3:2. How much liquor should be mixed to make the ratio 7:4?
