For an amount, simple interest at the rate of interest of 12% per annum for 6 years is Rs 25920. What will be the compound interest (in Rs) on same amount at the rate of interest of 8% per annum compounding annually for 2 years?
1). 4326.3
2). 5563.4
3). 5888.6
4). 5990.4
A bus travels $\frac{2}{5}$ of a total journey at its usual speed. The remaining distance was covered by bus at $\frac{6}{7}$ of its usual speed. Due to slow speed it reaches its destination 50 minutes late. If the total distance is 200 kms, then what is the usual speed (in km/hr) of bus?
1). 20.57
2). 24
3). 28
4). 26.52
How much water (in litres) must be added to 80 litres solution of milk and water containing 10% milk, so that it becomes a 5% milk solution?
1). 10
2). 20
3). 40
4). 80
A dealer sells two machines at Rs 12000 each. On one it gains 32% and on the other it looses 32%. What is its profit/loss percentage in the whole transaction?
1). No gain and no loss
2). 1% loss
3). 18% profit
4). 10.24% loss
The average age of a class of 6 girls is x years. Four new girls having ages x - 2, x + 2, x + 4 and x + 6 joins the class. What is the new average age (in years) of the class?
1). x + 1
2). x + 2
3). 2.5x
4). x + 2.5