plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx
MCQS
01. Changes of equal magnitude are separated by some distance. If the changes are in creased by 10% to get the same force between them their separation must be.
(a) Increase by 21% (b) Increase by 10%
(c) Decreased by 10% (d) None of the above is correct

Question

plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx 
MCQS 
01. Changes of equal magnitude are separated by some distance. If the changes are in creased by 10% to get the same force between them their separation must be. 
(a) Increase by 21% (b) Increase by 10% 
(c) Decreased by 10% (d) None of the above is correct

lastdaywork · Answer

"...(b) Increase by 10% ..."
I am assuming that you are increasing both the charges by 10%