Answer Answer: 88.9 weight for math = 3=w1 weight for Bangla= 3=w2 that for history = 2=w3 that for science = 2 =w4 that for arts = 1=w5 total of weight = w = w1 +w2 + w3+ w4 +w5 = 3+3+2+2+1=11 geometry mark = 89
Bangla literature = 92 History = 94 Biology = 81 sculpture = 85 so average = ((89*w1)+(92*W2)+(94*W3)+(81*w4)+(85*w5)/(w1+w2+w3+w4+w5) =((89*3)+(92*3)+(94*2)+(81*2)+(85*1)/(w1+w2+w3+w4+w5) =978/11=88.909