The number of terms in te expansion of `(1+5x+10x^2+10x^3+x^5)^20` is (A) 100 (B) 101 (C) 120 (D) none of these

The number of terms in the expansion of (1+2x +x^2)^20 is 40

The number of terms in the expansion (x^2+ 1/x^2+2)^100 is (A) 3200 (B) ^102C_2 (C) 201 (D) none of these

The sum of the coefficients in the expansion of (2+5x^2-7x^3)^2000= (A) 0 (B) 1 (C) 2 (D) none of these

The number of terms in the expansion of (x+1/x+1)^n is (A) 2n (B) 2n+1 (C) 2n-1 (D) none of these

the term independent of x in the expansion of (sqrt(x/3)+sqrt(2/92^2))^10 is (A) 0 (B) ^10C_1 (C) 5/12 (D) none of these

The coefficient of x^5 in the expansion of (1+x^2)^5+(1+x)^4 is (A) 30 (B) 60(C) 40(D) none of these

The term independent of x in the expansion of (1-x +2x^3)(x^2-1/x)^8 is given by - (A) -56 (B) 56 (C) 0 (D) none of these

The number of terms in the expansion of (1+x)^(101)(1+x^(2)-x)^(100) in powers of x is:

The number of terms in the expansion of (1+x)^(101)(1+x^(2)-x)^(100) in powers of x is