Source: Exemplar
In following figure, two congruent circles have centres O and O′. Arc AXB subtends an angle of 75° at the centre O and arc A′ Y B′ subtends an angle of 25° at the centre O′. Then the ratio of arcs A X B and A′ Y B′ is
Options
Option A
2:1
Option B
1:2
Option C is correct
3:1
Option D
1:3