Question #7bc58

1 Answer
Jan 9, 2018

See below

Explanation:

Perimeter of square with side "S" = #4S# (i.e. #4xxS#)

The ratio of Rs. 100 to 50 paise = #10000/50# = #200:1#
(Note: First convert Rs. 100 to paise which is #100xx100 = 10000#)

Numerical coefficient of #-5xy# = #-5#