Advertisements
Advertisements
प्रश्न
Which term of the AP ` 5/6 , 1 , 1 1/6 , 1 1/3` , ................ is 3 ?
Advertisements
उत्तर
In the given AP, first term =`5/6 "and common difference" , d = (1-5/6 = 1/6)`
Let its nth term be 3.
Now, Tn = 3
⇒ a + (n-1) d = 3
⇒ `5/6 + (n-1) xx 1/6 = 3`
⇒`2/3 + n/6 =3`
⇒`n/6 = 7/3`
⇒ n= 14
Hence, the 14th term of the given AP is 3.
APPEARS IN
संबंधित प्रश्न
Find how many integers between 200 and 500 are divisible by 8.
The sum of three terms of an A.P. is 21 and the product of the first and the third terms exceed the second term by 6, find three terms.
Find the sum to n term of the A.P. 5, 2, −1, −4, −7, ...,
The sum of n natural numbers is 5n2 + 4n. Find its 8th term.
Which term of the AP 3,8, 13,18,…. Will be 55 more than its 20th term?
Which term of the AP 21, 18, 15, … is zero?
If the sum of first p terms of an AP is 2 (ap2 + bp), find its common difference.
The fourth term of an A.P. is 11. The sum of the fifth and seventh terms of the A.P. is 34. Find its common difference.
If the 9th term of an A.P. is zero then show that the 29th term is twice the 19th term?
If the sum of first p terms of an A.P. is equal to the sum of first q terms then show that the sum of its first (p + q) terms is zero. (p ≠ q)
Find where 0 (zero) is a term of the A.P. 40, 37, 34, 31, ..... .
Write the common difference of an A.P. whose nth term is an = 3n + 7.
The first term of an A.P. is p and its common difference is q. Find its 10th term.
If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164?
The sum of first n odd natural numbers is ______.
x is nth term of the given A.P. an = x find x .
In a ‘Mahila Bachat Gat’, Sharvari invested ₹ 2 on first day, ₹ 4 on second day and ₹ 6 on third day. If she saves like this, then what would be her total savings in the month of February 2010?
Find t21, if S41 = 4510 in an A.P.
Find the sum:
1 + (–2) + (–5) + (–8) + ... + (–236)
Find the sum of the integers between 100 and 200 that are not divisible by 9.
