plz solve this........
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which one. ............
riya2280:
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I am doing 20 Question
Hey mate your answer
A.P=5, 6.75, 8.50,............20.75
an=20.75
an=a+(n-1)d
20.75=5+(n-1)1.75
20.75-5=(n-1)1.75
15.75=(n-1)1.75
15.75/1.75=n-1
9=n-1
9+1=n
10=n
So, the n value is 10
Hope this helps to you!!!!!❤️❤️❤️❤️❤️
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