Nina is 9 years older than Angel. Two years ago, Angel's age was half that of Nina's. Find Angel's present age.
A 10
B 11
C 15
D 18
Correct Option - B ExplainationN=A+9 (A-2)=(1/2)*(N-2) 2A-4=N-2 2A-4 = A+9-2 A = 11
