student secures 90 marks in his first test and 75 marks in the second test find the percent of increase and decrease
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Answered by
18
Step-by-step explanation:
student secures in 1st test =90
a student secures in 2nd test = 75
decrease=90_75 =15
decreased %= 15x100÷90
. =16. 66%
Answered by
0
Step-by-step explanation:
A student secures in 1st test =90
a student secures in 2nd test =75
a student secures in both test =90-75
=15
A/q=15*100/90
=150/9
=16.66%
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