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Sai Rao

· started a discussion

· 1 Months ago

may be question wording is wrong (Question: 211780.0 )

if radius is ''R" new radius is 5R
if circumference is 2piR then new circumference is 10piR

(in question you said radius is increased 5 times and you did not take new radius is 6R. Hence in the same way circumference also 5 times not 4 times)

i hope you understand my problem

Question:
If the radius of a circle is increased 5 times, then how many times will its circumference  increase ?
Options:
A) 4 times 
B) 8 times 
C) 5 times 
D) \(\cfrac{1}{2}\) times 
Solution:
Ans: (a)


hsahu89@gmail.com

· commented

· 1 Months ago

C is the correct answer if we go by the language of the question. Usage of by/to before "5 times " could help clearing the ambiguity.

akshita agrawal

· commented

· 1 Months ago

guys the given solution is correct. how many times change in circumference becomes is asked not that how many times circumference becomes

saurabh kukreti

· commented

· 1 Months ago

correct man if radius is increased five times then they should take it 6R as per their solution ....Knowledge expert where are you?
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