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Find the 24th term of the A.P. 12,16,20,...

Find the 24th term of the A.P. 12,16,20,24,….

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The correct Answer is:
The 24th term is 104.
Here, `a=t_(1)=12, t_(2)=16, t_(3)=20, t_(4)=20,...`
`d=t_(2)-t_(1)=16-12=4`
`t_(n)=a+(n-1)d` …(Formula)
`thereforet_(24)=12+(24-1)xx4`
…(Substituting the values)
`=12+23xx4`
`=12+92`
`thereforet_(24)=104`
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