Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

Two concentric circles are of a radii 29 cm and 21 cm.  The length of the chord of the larger circle which touches the smaller circle is?

Options:

20

40

10.5

50

Correct Answer:

40

Explanation:

Use triplets → 20, 21, 29

Chord = 2 × 20 = 40 cm