A) Neither decreased nor increased
B) Increased by 1%
C) Decreased by 1%
D) Decreased by 10%
Correct Answer: C
Solution :
Net effect \[=\left( x+y+\frac{xy}{100} \right)%\] \[=\left( 10-10-\frac{10\times 10}{100} \right)%=-1%\] Negative sign shows decrease.You need to login to perform this action.
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