Home
Class 10
MATHS
In an AP, S(n) = 3n+5 then, the value of...

In an AP, `S_(n) = 3n+5` then, the value of `d` is:

A

`3`

B

`5`

C

`-5`

D

`8`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS (VERY -SHORT-ANSWER [VSA] QUESTIONS)|11 Videos

  • ARITHMETIC PROGRESSIONS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS (SHORT-ANSWER [SA] TYPE 1 - QUESTIONS)|24 Videos

  • ARITHMETIC PROGRESSIONS

    ZEN PUBLICATION|Exercise TEXTUAL EXERCISE (Exercise 1.4)|5 Videos

  • AREA RELATED TO CIRCLES

    ZEN PUBLICATION|Exercise ADDITIONAL QUESTIONS (HIGHER ORDER THINKING SKILLS)|7 Videos

  • CIRCLES

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS ( HOT [HIGHER ORDER THINKING SKILLS] - QUESTIONS) (IIT AND IMO)|9 Videos

Similar Questions

Explore conceptually related problems

If the coefficients of 2nd, 3rd and 4th terms in the expansion of (1+x)^(n) are in A.P., then the value of n is:

Let S_(n) denote the sum of first n terms of an A.P. If S_(2n) = 3S_(n) , then the ratio ( S_(3n))/( S_(n)) is equal to :

If ""^(n)P_(4) = 24^(n)C_(5) then the value of n=

If three consecutive coefficients in the expansion of (1+x)^(n) are in the ratio 1:3:5, then the value of n is:

In a binomial expansion (1+x)^(n),n is a positive integer, the coefficients of 5th, 6th and 7th terms are in A.P., then the value of n is

If S denotes the sum to infinity and S_(n) , the sum of n terms of the series 1+( 1)/(2) +( 1)/( 4) + ( 1)/( 8 ) +"………….", such that S-S_(n) lt ( 1)/( 1000) , then the least value of n is :

IF 1+2+3+………..+n=78, then the value of n is:

If .^(n)P_(3)+.^(n)C_(n-2)=14n , the value of n is

If the sum of n terms of an A.P. is given by : S_(n) = 3n+ 2n^(2) , then the common difference of the A.P. IS :

If for a sequence {a_(n)},S_(n)=2n^(2)+9n , where S_(n) is the sum of n terms, the value of a_(20) is