RRB Group-D Model Paper 15 with answers for online practice

Given:
∠C = 90°
CD ⊥ AB
∠A = 65°
Concept used:
The sum of the angles of a triangle is 180°.
Calculation:
In ΔABC,
∠BAC + ∠ABC + ∠ACB = 180°
⇒ 65° + 90° + ∠ABC = 180°
⇒ ∠ABC = 25°