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SSC CGL Tier 1 :: QA Test 88
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1 .
The length of the direct common tangent of two circles of radii 2 cm and 8 cm is 8 cm. Then the distance between the centres of the circles is
[ A ]    8 cm
[ B ]    10 cm right
[ C ]    6 cm
[ D ]    12 cm
Answer : Option B
Explanation :
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