A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than original number. The original number is 


(a) 
5000 
(b) 
5050 
(c) 
5500 
(d) 
5900 
A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than original number. The original number is 


(a) 
5000 
(b) 
5050 
(c) 
5500 
(d) 
5900 
Let the original number be
Then, final number obtained = 110% of (90% of ) =