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GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
BANKING
UGC NET
REASONING
COMPUTER SC.
COURSES
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SSC CGL 2017 Tier 1 Questions and Answers
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Question
What is the minimum distance (in metres) required to hear an echo?
A
10
B
13
C
17
D
21
View Answer
Answer & Explanation
Answer: [ 17 ]
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