A) 20%
B) 19%
C) 5%
D) 50%
Correct Answer: B
Solution :
Reduction on passing through first slab =10% Reduction on passing through second slab \[=10%\text{ }of\text{ }90=9\] \[\therefore \]Total reduction \[=(10+9)%=19%\]You need to login to perform this action.
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