Subject : ISLAMIAT


He had advised the Holy Prophet (PBUH) to use catapult during the Ghazva of Tail
  1. Hazrat Salman (RA) the Persian
  2. Hazrat Ayub Ansai i (RA)
  3. Hazrat Ali (RA)
  4. Hazrat Sa'ad bin Abi Wakas (RA)
Correct Answer: Hazrat Salman (RA) the Persian