A student instead of finding the value of $8^ 3$ of a natural number, calculated $8^ 13$ of the same number. If his value is 480 less than the actual value, then find the number

A shopkeeper marks the garments at such a price that even after allowing a discount of 12.5%, he makes a profit of 10%. Find the marked price of a suit which costs Rs. 1,470

A train running at an average speed of 48 km/hr performs a journey in 6 hrs 30 min. How long would the same journey take it after crossing 180 kms the speed was reduced to 33 km/hr ?

A sum of Rs. 76 is divided among A, B, C in such a way that A gets Rs. 7 more than that what B gets and B gets Rs. 6 more than what C gets. the ratio of their shares is