For the following questions answer them individually
The difference between the simple and compound rate of interest on a certain sum of money for 2 years at 20% rate of interest is ₹200. The amount is:
The ratio of the present ages of a mother and a son is 4: 1. Fourteen years from now, the ratio of their ages will be 2 : 1 The present age (in years) of mother is:
A and B together are supposed to do $$\frac{13}{15}$$ of the work and B and C together $$\frac{11}{20}$$ of the work. If the difference of wages of A and C is ₹7600, then the total wages of A and C is:
A bus covers a distance of 10 km in 12 minutes. If its speed is decreased by 25 km/h, then the time (in minutes) taken by the bus to cover the same distance is:
