Q1.P1. 108 _ (36/100) *300 = 108
Q2.P1. 701.95 _ (139 x 139) / 100 = 701.95
Q1.P2. 3400 _ (15/100)*4000 = 600. 4000 - 600 = 3400
Q2.P2. 129.8 _ 110 x 6% = 6.6 | Simple interest = original interest (no changes like compound interest) 110 + 6.6 + 6.6 + 6.6 or 110 + (6.6 x 3) = 129.8
Q1.P3. 25% _ 900/1200 = 0.75 = 75% | 100 - 75 = 25 | 1200 - 25% = 900
Q2.P3. 5.856 _ X + (X × P%) = Y | X(1 + P%) = Y | Y = X(1 + P%) | Y = 4.88(1 + 20%) | p = 20%/100 = 0.2
Y = 4.88(1 + 0.2)
Y = 4.88(1.2)
Y = 5.856