Help - question 1 and 2

a student has to project a three times magnified image of a candle flame on a wall .name the type of the lens (converging or diverging) required for the purpose. if the candle flame is at a distance of 6 metre from the wall ,find the focal length of the lens.+917379288996꧁༒★ǤȺᵾɍȺv★༒꧂बढ़िया नृत्य के साथ अच्छा गीतWelcome to Gboard clipboard, any text you copy will be saved here.Tap on a clip to paste it in the text box.Use the edit icon to pin, add or delete clips.