A, B and C can individually complete a task in 24 days,16 days and 32 days respectively. If A and C start the work and worked for 6 days and left, then the number of days required by B to complete the remaining task, is :
The price of an article increases by 6.25% every year. If the difference between its price at the end of the second and the first year is Rs. 531.25, then what will be its price (in Rs) at the start of the first year?