MBA Exam

A circle centered at A with a radius of 1,
and a circle centered at B with a radius of 4, touch each other
externally. A third circle is tangent to the first two circles and to
one of their common external tangents as shown. The radius of the third
circle is

1) 2/9
2) 5/9
3) 11/25
4) 4/9

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MBA Other Question

In a class the number of students who do not play hockey, volleyball, cricket, football are 16, 21, 11, 15 respectively. The number of students who do not play any of the games mentioned is 9. What can be the maximum number of students in the class who do not play one or more of the four games mentioned?

1) 36
2) 54
3) Cannot be determined
4) 42
Test Question

1) 1
2) 2