A. Given fraction: 1516:
Reciprocal of the given fraction = 1615
1516 ÷ 1615 = 1516 × 1516 = 225256
B. Given fraction: 124
Reciprocal of the given fraction = 24
124 ÷ 24 = 124 × 124 = 1576
C. Given fraction: 251
Reciprocal of the given fraction = 125
25 ÷ 125 = 25 × 25 = 625