Question

purchase from Ram rupees 20000 has been omitted to be posted to his account rectification of error ​

Answer 1

If the word omitted comes in the question it means we have to do normal journal entry of that transaction.

Ram a/c dr. 20000

To cash a/c 20000

Answer 2

For rectification of omitted error

for such situation normal journal entry to be passed

therefore rectified entry

Purchases A/c  Dr   20000

          To Ram A/c                   20000

(being omitted entry have been passed )