2017 · Q114
The price of a bottle of cold drink is Rs. 10. One bottle of cold drink can also be bought by returning 10 empty bottles. A person has Rs. 1,000 and 19 empty bottles. Assuming that the person can consume any number of bottles he buys, what will be the number of empty bottles he possesses at the end if he buys maximum number of bottles of cold drink and consumes all?
General Mental Ability, Quantitative Aptitude and StatisticsNumber system and arithmetic
- A0
- B1
- C2
- D3
Explanation
Rs. 1,000 buys 100 bottles; with 19 initial empties there are 119 empties, yielding 11 more bottles (9 empties left); drinking those gives 20 empties, yielding 2 more bottles; drinking those leaves 2 empties, too few for another bottle. Final empty bottles = 2. Hence C.