If n be a positive integer. If the coefficient of 2nd, 3rd, 4th terms – McqOptions

MCQOPTIONS

1.	If n be a positive integer. If the coefficient of 2nd, 3rd, 4th terms in the expansion of (1 + x)n are in A. P. Then the value of n is:
A.	9
B.	5
C.	8
D.	7
Answer» E.

Discussion

No Comment Found

Related MCQs

7, 14, 21, 28 ..... the sum of the number series is 952, then the numbers in the series areA. 16B. 17C. 18D. 19
Ms. Tina has 2 parents, 4 grand parents, 8 great grand parents and so on. Find the number of her ancestors during 10 (ten) generations preceeding her own.
If first and last terms of an arithmetic progression are 52 and 184 respectively and the sum of the progression is 1416, then find the common difference of the progression.
How many three digit numbers are divisible by 6?
Find the 15th term of the sequence 20, 15, 10, .....
After striking the floor, a ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 meters.
If \(1^2 +2^2 +3^2 + ...+n^2 = \dfrac{n(n+1)(2n+1)}{6},\) find the value of \(5^2 +6^2 + 7^2 + ....+10^2.\)
If the sum of three consecutives multiples of 13 is 390. Then second multiple of 13 is -
\(a_1 = \frac{1}{2\times 5}, a_2=\frac{1}{5\times 8}, a_3=\frac{1}{8\times 11}\) then a1 + a2 + a3 + ..... a100 is
If in an arithmetic progression, a24 = 2 a10, then a72 = 2x, find the value of x.