"When as particular number is subtracted from each of 7,9,11 and 15, the resulting
Channel: Doubtnut
Date: 2020-04-05

"When
 as particular number is subtracted from each of 7,9,11 and 15, the resulting
 numbers are in proportion. The number to be subtracted is
`1`
b. `2`
c. `3`
d. `5`"