Answer:
CP of ring = 1200
profit % = 15%
Profit amount = 15% 0f 1200 = 180
SP = 1200 + 180 = 1380
-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1:2
9 questions x 4 answers per question
9x4= 36
45 is the correct answer