MEDIUM
10th ICSE
IMPORTANT
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Find the sum of first terms of an AP, whose th term is .

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Important Questions on Arithmetic and Geometric Progression
MEDIUM
10th ICSE
IMPORTANT
Find the sum of first terms of an AP, whose term is and term is .

MEDIUM
10th ICSE
IMPORTANT
Find the sum of first terms of an AP whose and terms are and , respectively.

HARD
10th ICSE
IMPORTANT
If sum of first terms of an AP is and that of the first terms is , then find the sum of first terms.

HARD
10th ICSE
IMPORTANT
If the sum of first terms of an A.P. is and the sum of first terms is , then find the sum of first terms.

MEDIUM
10th ICSE
IMPORTANT
The sum of the first five terms and the sum of the first seven terms of an AP is .If the sum of the first ten terms of this AP is , then find the sum of its first twenty terms.

MEDIUM
10th ICSE
IMPORTANT
Find the number of terms of the following AP, having sum .

MEDIUM
10th ICSE
IMPORTANT
Find the number of terms of the following AP.
having sum ?

MEDIUM
10th ICSE
IMPORTANT
Find the number of terms of the following AP.
having sum
