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) a=8,a,=62 गे 5, > 210 सिंडा है। W3 aUST S |
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Answer» an=a+(n-1)d=62 and a=8Sn=n/2(2a+(n-1)d)=n/2(8+62)210=n/2(70)so n/2=3so n=6 |
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