We have:
(22÷521) ÷ 251 of 331+1115
= (22÷211) ÷ 511 of 310 + 1116 [Converting mixed to improper fraction]
According to BODMAS rule, we simplify brackets first
=(22×112)÷511 of 310+1116=(1144)÷511 of 310+1116=14÷511 of 310+1116=14÷511×310+1116=14÷15110+1116=14÷322+1116=14×223+1116=2212+1116=116+1116=116+16=1122=2[Reciprocal of 211 is 112][Divide 44 and 11 by 11][Bracket simplified][Divide 110 and 15 by 5][Of simplified][Reciprocal of 322 is 223][Divide 12 and 22 by 2][Division simplified][Divide 22 and 11 by 11][Division simplified]
∴ The answer is 2