The number of terms in the expansion (a + b + c)ⁿ will be

Cube root of 217 is

If C_r = , then is equal to

The last 4 digits of the natural number 7¹⁰⁰ are

The constant term in the expansion of    is

The sum of binomial coefficient is

6th term in expansion of   is

If the coefficients of x² and x³ in the expansion of (3 + ax)⁹ be same, then the value of a is

For all n ∈ N, n² + n is a

The remainder when 2²⁰⁰⁶ + 2007 is divided by 17 is