WebApr 11, 2024 · In an AP. the sum of first ten terms is -150 and the sum of its next ten terms is -530 To Find :- AP Solution :- We know that Now, Putting S10 as -150 Second case … WebApr 2, 2024 · The median of the distribution given below is 14.4. Find the values of x and y, if the sum of frequency is 20. Find the common difference ' d ' of an AP whose first term is 10 and the sum of the first 14 terms is 1505 . For what value of ' n ', are the nth terms of the APs : 9,7,5,….. and 15,12,9,…. the same?
In an AP of 50 terms, the sum of the first 10 terms is 210
WebSep 2, 2024 · Best answer i. Sum of first five terms = 150 Sum of the five consecutive terms of arithmetic sequence is five times of its middle term. Third term = 150 5 = 30 150 5 = 30 ii. First term + Tenth term = Second term + Nineth term = Third term + Eighth term = Fourth term + Seventh term = Fifth term + Sixth term = 550 5 = 110 550 5 = 110 WebAnswer (1 of 5): 15+30+45 … +150 is an AP, whose first term, a = 15 and the common difference = 15. Tn = 150 = a+(n-1)d = 15 + (n-1)*15, or dividing right through by 15, 10 = 1 + (n-1), or n = 10 Sn = (n/2)[2a + (n-1)d] S10= (10/2)[2*15 + … dynatrace managed version
CBSE Class 10 Answered - TopperLearning
WebOct 10, 2024 · The sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum of the first ten terms of this AP is 235 , find the sum of its first twenty terms. If sum of first 6 terms of an AP is 36 and that of the first 16 terms is 256 , find the sum of first 10 terms. WebIf its 10th term is 41, then find the sum of its first fifteen terms. Solution: Question 33. The 13th term of an AP is four times its 3rd term. If its fifth term is 16, then find the sum of its first ten terms. Solution: Question 34. In an A.P., if the 12th term is -13 and the sum of its first four terms is 24, find the sum of its first ten terms. WebThe sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum of the first ten terms of this AP is 235, find the sum of its first twenty … csa stanislaus county