engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Quantitative Aptitude Geometry Circle
If C1, C2 be the centres of two circles and r1, r2 be the respective radii such that the distance between the centres is equal to the sum of the radii of the two circles, find the number of common tangents.
1
4
2
2
3
1
4
3