Find the sum of all 2 digit no which divided by 5 and leaves a remainder 2
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The no are 12,17,22.....97
an=a+(n-1)d
97=12+(n-1)5
n-1=85/5
n-1=17
n=18
therefore
sum
=n/2(a+l)
=18/2(12+97)
=9(109)
=981
MARK BRAINLIEST
FOLLOW.
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