The sum of two umbers is 73 and their difference is 28. Find the difference between their squares.

Options
- 101
- 45
- 2044
- cannot be determined

CORRECT ANSWER : 2044

Discussion Board
ANSWER IS

let the 2 no be x and y
x+y=73 -1
x-y=28 -2
by solving these we get 2x=101
x=50.5
sub x in any eq we get y=22.5
the squares are 50.5=2550,25 && 22.5=506.25
the difference is 2550.25-506.25=2044 as final ans ch.s.k

sandeep 04-5-2021 01:10 AM

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