Mathematics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	If n is a positive integer, then 3+6+9+ -----------------+3n =
2	The values of n such that, in the binomial expansion of (1 - x)ⁿ, co-efficient of x², co-efficient of x²is 3, are	-2, -3 2, -3 -2, 3 None of these
3	Total number of terms in the expansion of (a + b)⁵+ (a - b)⁵after simplification are	3 1 4 7
4	If 0 < n < 1, n is a rational number, the number of terms in the expansion of (1 + X)ⁿare	n + 1 2n Infinitely many 2n<sup>2</sup>
5	In the expansion of (a + b)ⁿin every term the sum of the exponents of a and b is	n n + 1 2n - 1 2n + 1

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