Advertisements
Advertisements
Question
Choose the correct alternative answer for the following question.
For an given A.P. a = 3.5, d = 0, n = 101, then tn = ....
Options
0
3.5
103.5
104.5
Advertisements
Solution
3.5
Explanation:
a = 3.5, d = 0, tn = t101
tn = a + (n − 1)d
t101 = 3.5 + (101 − 1)0
= 3.5 + 100 (0)
= 3.5 + 0
= 3.5
APPEARS IN
RELATED QUESTIONS
If Sn1 denotes the sum of first n terms of an A.P., prove that S12 = 3(S8 − S4).
If the nth term of the A.P. 9, 7, 5, ... is same as the nth term of the A.P. 15, 12, 9, ... find n.
Find the sum of all 3 - digit natural numbers which are divisible by 13.
The sum of three consecutive terms of an AP is 21 and the sum of the squares of these terms is 165. Find these terms.
In an A.P. the 10th term is 46 sum of the 5th and 7th term is 52. Find the A.P.
In an A.P. the first term is 8, nth term is 33 and the sum to first n terms is 123. Find n and d, the common differences.
Write the common difference of an A.P. whose nth term is an = 3n + 7.
Which term of the sequence 114, 109, 104, ... is the first negative term?
Write 5th term from the end of the A.P. 3, 5, 7, 9, ..., 201.
Write the nth term of an A.P. the sum of whose n terms is Sn.
If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 terms is
Write the formula of the sum of first n terms for an A.P.
Find S10 if a = 6 and d = 3.
The sum of all odd integers between 2 and 100 divisible by 3 is ______.
In an A.P., if Sn = 3n2 + 5n and ak = 164, find the value of k.
Find the sum of all odd numbers between 351 and 373.
Find the sum of first 25 terms of the A.P. whose nth term is given by an = 5 + 6n. Also, find the ratio of 20th term to 45th term.
Which term of the Arithmetic Progression (A.P.) 15, 30, 45, 60...... is 300?
Hence find the sum of all the terms of the Arithmetic Progression (A.P.)
The sum of n terms of an A.P. is 3n2. The second term of this A.P. is ______.
