Ten IIT and 2 DCE students sit in a row. The number of ways in which exactly 3 IIT student sit between 2 DCE students is `(A)` `.^10 C_3xx2!xx3!xx8!` `(B)` `10 !xx2!xx3!xx8!` `(C)` `5!xx2!xx9!xx8!` `(D)` none of these

Let's from the numbers from their expanded from given below:- 2xx 10^3 + 3 xx 10 +5

(-5) xx (-2) xx (-10) xx (-8) xx (-3) = square

Express 8 xx 8 xx 8 as index of 2.

Is 7 xx 5 xx 3 xx 2 + 3 a composite number? Justify your answer.

Find the factorials of 3xx8xx5

In a group of boys, two boys are brothers and six more boys are present in the group. In how many ways can they sit if the brothers are not to sit along with each other? a. 2xx6! b. ^7P_2xx6! c. ^7C_2xx6! d. none of these

A person predicts the outcome of 20 cricket matches of his home team. Each match can result in either a win, loss, or tie for the home team. Total number of ways in which he can make the predictions so that exactly 10 predictions are correct is equal to a. ""^20 C_(10) xx 2^(10) b. ""^20 C_(10)xx3^(20) c. ""^20 C_(10)xx3^(10) d. ""^20 C_(10)xx2^(20)

Let's from the numbers from their expanded from given below:- 3 xx 10^3 + 2 xx 10^2 + 7 xx 10 +2

Find the sum to n terms of each of the series in 1xx 2 xx 3 + 2 xx 3 xx 4 + 3 xx 4 xx 5 + ...

Solve :- (-5) xx (-2) xx (-10) xx (-8) xx (-3) = ?