Advertisements
Advertisements
प्रश्न
If `4/5 `, a, 2 are in AP, find the value of a.
Advertisements
उत्तर
Rearrange the equation to solve for a:
`2a = 2 + 4/5`
`2a = 10/5 + 4/5`
`2a = 14/5`
`a = 14/10`
`a = 7/5`
APPEARS IN
संबंधित प्रश्न
The houses in a row numbered consecutively from 1 to 49. Show that there exists a value of x such that sum of numbers of houses preceding the house numbered x is equal to sum of the numbers of houses following x.
In an A.P., if the first term is 22, the common difference is −4 and the sum to n terms is 64, find n.
If 4 times the 4th term of an A.P. is equal to 18 times its 18th term, then find its 22nd term.
How many two-digits numbers are divisible by 3?
Find the sum of first n even natural numbers.
If (2p – 1), 7, 3p are in AP, find the value of p.
Write an A.P. whose first term is a and the common difference is d in the following.
a = 10, d = 5
Find the first term and common difference for the A.P.
0.6, 0.9, 1.2,1.5,...
Choose the correct alternative answer for the following question .
In an A.P. 1st term is 1 and the last term is 20. The sum of all terms is = 399 then n = ....
If the sum of a certain number of terms starting from first term of an A.P. is 25, 22, 19, ..., is 116. Find the last term.
Find the sum (−5) + (−8)+ (−11) + ... + (−230) .
If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is ______.
If the first, second and last term of an A.P. are a, b and 2a respectively, its sum is
If in an A.P. Sn = n2p and Sm = m2p, where Sr denotes the sum of r terms of the A.P., then Sp is equal to
In an A.P. a = 2 and d = 3, then find S12
If Sn denotes the sum of first n terms of an AP, prove that S12 = 3(S8 – S4)
Find the sum of first 17 terms of an AP whose 4th and 9th terms are –15 and –30 respectively.
How many terms of the AP: –15, –13, –11,... are needed to make the sum –55? Explain the reason for double answer.
Find the sum of all 11 terms of an A.P. whose 6th term is 30.
The sum of 41 terms of an A.P. with middle term 40 is ______.
