Let there be a series 'S' with its nth term be equal to n(x)ⁿ. Also S_n denotes the sum of the first n terms of the series S.
Q1. What is S₅ - S₄ equal to ?
a. 3x³
b. 4x⁴
c. 5x⁵
d. Noneof these

If the (n+1)^th term of S is equal to 64 and the nth term is equal to 24 then:
Q2.  What is the value of n?
a. 2
b. 3
c. 4
d. Can't say

Q3. What is the value of x?
a. 2
b. 3
c. 4
d. None of these

Q4. What is the value of S₃?
a. 20
b. 14
c. 34
d. None of these