Answer :

Let the intersection point be O.

If we consider line AB, AB is a straight line. ∠ x + ∠ y forms a linear pair and in the similar manner ∠ AOD + 62° = 180°

Sum of all the angles about O is 360°.

∠ x + ∠ y + ∠ AOD + 62° = 360°

180° + ∠ AOD + 62° = 360°

∠ AOD + 242° = 360°

∠ AOD = 360 – 242

∠ AOD = 118°

Now ∠ y = 62° [vertically opposite angles]

Also ∠ x = ∠ AOD = 118° [vertically opposite angles]

So ∠ x - ∠ y = 118 – 62

= 56°

So the correct answer is A.

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