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65% of a number is 21 less than (4/5) of that number. Find the number

65% of a number is 21 less than (4/5) of that number. Find the number.
A140
B233
C­140
D­233

Answer is  :140 

Explanation:

Let the number be x.

Then,4×x5(65% of x)=21

=> 4x565x100=100=21

=> 15 x = 2100

=> x = 140.

 

Nithin K
answered Oct 18 '2017 at 23:11

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