Advertisements
Advertisements
Question
Find the first term and common difference for the A.P.
0.6, 0.9, 1.2,1.5,...
Advertisements
Solution
0.6, 0.9, 1.2,1.5,...
First term = 0.6
Common difference = Second term – First term
= 0.9 – 0.6
= 0.3
APPEARS IN
RELATED QUESTIONS
If the term of m terms of an A.P. is the same as the sum of its n terms, show that the sum of its (m + n) terms is zero
How many multiples of 4 lie between 10 and 250?
Find the sum given below:
34 + 32 + 30 + ... + 10
If the pth term of an A. P. is `1/q` and qth term is `1/p`, prove that the sum of first pq terms of the A. P. is `((pq+1)/2)`.
How many terms of the A.P. 63, 60, 57, ... must be taken so that their sum is 693?
Find the sum of all integers between 50 and 500, which are divisible by 7.
How many terms of the A.P. : 24, 21, 18, ................ must be taken so that their sum is 78?
Find the middle term of the AP 6, 13, 20, ..., 216.
How many numbers are there between 101 and 999, which are divisible by both 2 and 5?
Find the sum of first n terms of an AP whose nth term is (5 – 6n). Hence, find the sum of its first 20 terms.
For an given A.P., t7 = 4, d = −4, then a = ______.
There are 25 rows of seats in an auditorium. The first row is of 20 seats, the second of 22 seats, the third of 24 seats, and so on. How many chairs are there in the 21st row ?
If k, 2k − 1 and 2k + 1 are three consecutive terms of an A.P., the value of k is
The term A.P is 8, 10, 12, 14,...., 126 . find A.P.
The 11th term and the 21st term of an A.P are 16 and 29 respectively, then find the first term, common difference and the 34th term.
Find the value of x, when in the A.P. given below 2 + 6 + 10 + ... + x = 1800.
Find the sum of numbers between 1 to 140, divisible by 4.
The sum of first n terms of the series a, 3a, 5a, …….. is ______.
The nth term of an Arithmetic Progression (A.P.) is given by the relation Tn = 6(7 – n)..
Find:
- its first term and common difference
- sum of its first 25 terms
The sum of 41 terms of an A.P. with middle term 40 is ______.
