Question

Did mrs packletide success in her mission

Answer 1

No, She does not actually got success in her mission. Although tiger was dead due to the noisy sound of her bullet, 

Answer 2

Yes Mrs packletide was successful in her mission as she just wanted to surpaas loona bimberton and she did it. Mrs packletide repressed her emotions by not attending the party and just sent the thankyou letter to mrs packletide. So she was definitely successful in her mission.