Three sentences are given. You need to find if they are grammatically correct or incorrect and mark the answer accordingly.

(P) He took me to his room over the Jumna Sweet Shop and told me I could sleep on the balcony.

(Q) But the meal I cooked that night must had been terrible because Anil gave it to a stray dog and told me to be off.

(R) I think he knew I made a little money this way but he did not seem to mind.