if a and b are positive integers such that ab=125 then find (a-b)a+b-4
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Answered by
2
the correct answer is 501 where a=25 and b=5
(25-5)25+5-4 = 20 X 25 + 5 - 4 = 500 + 5 - 4 = 501
(25-5)25+5-4 = 20 X 25 + 5 - 4 = 500 + 5 - 4 = 501
Answered by
0
if we take a=25 and b=5 then,
ab=125
(25-5)25+5-4 = 20 X 24 = 520
ab=125
(25-5)25+5-4 = 20 X 24 = 520
AyushG:
i think 20 X 24 = 480 and 520 = 20 X 26
sorry!
it was 26 not 24
it was 26 not 24
but according to bodmas you should first multiply then add or subtract
you can check it on google calculator
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