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Chapter name Arithmatic progreesion .

Question no1; In an A.P., THE SUM OF N TERMS,COMMON DIFFERENCE AND LAST

term are 136,4 and 31respectively. find the value of n.

QUESTION NO 2;;H ow many term of the series 5+7+9+....must be taken in order that the sum may be 480?

QUESTION NO3;;find the three numbers in A.P such that their sum is 12 and the sum of their cubes is 408 .

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