"A man bought some oranges at Rs. 10 per dozen and bought the same number of oranges at
Channel: Doubtnut
Date: 2020-04-05

"A man bought some
 oranges at Rs. 10 per dozen and bought the same number of oranges at Rs. 8
 per dozen. He sold these oranges at Rs. 11 per dozen and gained Rs. 120. The
 total number of oranges bought by him was
`30\ doz e n s`
b. `40\ doz e n s`
c. `50\ doz e n s`
d. `60\ doz e n s`"