 
 <translate> Work done by the tank in 1 hour = (1/2 - 1/3) = 1/14 Leak will empty the tank in 14 hrs.
The final answer: (D). <hau> Aikin da tanki ya yi a cikin awa 1 = (1/2 - 1/3) = 1/14 Ruwan zai zubar da tankin a cikin awanni 14. Amsar ƙarshe: (D). 