the sum of 4th and 8th terms of an AP is 24 and the sum of 6th and 10th terms is 44. find the first 3 terms of the AP.
Divide 32 into 4 parts which are in A.P. such that the product of extremes is to the product of means is 7:15.
30) the digits of a positive integer,having three digits are in A.P. and their sum is 15.the number obtained by reversing the digits is 594 less than the original number.find the number.
Find the sum of all the integers between 100 and 200 that are not divisible by 9
In an AP of 50 terms, the sum of first 10 terms is 210 and the sum of its last 15 terms is 2565. Find the A.P.
A contractor employed 150 labourers to finish a peice of work in a certain no. of days. 4 workers went away the second day, 4 more workers went away the third day and so on. If it took 8 more days to finish the work , find the no. of days in which the work was completed.
The sum of n 2n 3n terms of an AP are S1 S2 S3 respectively. Prove that S3=3(S2-S1).
Find the sum of first five multiples of 3?
Which term of AP:121,117,113,......., is its first negative term?
find the sum of all the natural numbers between 200 and 300 which are divisible by 4.
The angles of a quadrilateral are in a.p. whose common difference is 10degree.Find the angles.
Find the 20th term from the last term of the AP 3, 8, 13, .....253.
If sn denotes the sum of n terms of AP whose common difference is d and first term is a, find sn-2sn-1+sn-2
Show that sum of an AP whose first term is a,the second term b and the last term c,is equal to (a+c)(b+c-2a)/2(b-a)..Plzzz i need hlpp!!!!
if the Pth term of an AP is Q and its Qth term is P then show that its (P+Q)th term is zero/
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