Compute: 12 ! (10 !)(2 !) - Vidyadip

Question

Compute: $\frac{12 !}{(10 !)(2 !)}$

✓

Answer

We have, $\frac{12 !}{(10 !)(2 !)}$= $\frac{12 \times 11 \times(10 !)}{(10 !) \times(2)}$ = 6 $\times$ 11 = 66

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "(Each question 1 marks)" from PERMUTATIONS AND COMBINATIONS→PERMUTATIONS AND COMBINATIONS — all question types→MATHS STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Write the area of the figure formed by the lines a |x| + b |y| + c = 0.

Let a sample space be S = {$\omega_1, \omega_2,..., \omega_6$}.Which of the following assignments of probabilities to each outcome are valid?

Outcomes	$\omega_1$	$\omega_2$	$\omega_3$	$\omega_4$	$\omega_5$	$\omega_6$
	$\frac 18$	$\frac 23$	$\frac 13$	$\frac 13$	$-\frac 14$	$-\frac 13$

If R is a relation defined on the set Z of integers by the rule $(\text{x, y})\in\text{R}\Leftrightarrow\text{x}^2+\text{y}^2=9,$ then write domain of R.

Let A = {1, 2, 3, 4, 5, 6}. Define a relation R from A to A by R = {(x, y) : y = x + 1 }. Write down the domain, codomain and range of R

Write the value of the expression $\frac{1-4\sin10^\circ\sin70^\circ}{2\sin10^\circ}.$

Find the sum to n terms of the series $\frac { 1 } { 1 \times 2 } + \frac { 1 } { 2 \times 3 } + \frac { 1 } { 3 \times 4 } + \ldots$

The $2nd, 3rd$ and $4th$ terms in the binomial expansion $(x + a)^n$ are $240, 720$ and $1080$, respectively. Find the values of x, a and n.

Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = $\{\omega_{1}, \omega_{2}, \omega_{3}, \omega_{4}, \omega_{5}, \omega_{6}, \omega_{7}\}$

Assignment	$\omega_{1}$	$\omega_{2}$	$\omega_{3}$	$\omega_{4}$	$\omega_{5}$	$\omega_{6}$	$\omega_{7}$
	-0.1	0.2	0.3	0.4	-0.2	0.1	0.3

What is the 20th term of the sequence defined by $a_n=(n-1)(2-n)(3+n) ?$

Show that two lines $a_1x + b_1y + c_1 = 0$ and $a_2x + b_2y + c_2 = 0$, where $b_1, b_2 \ne$ 0 are: Parallel if $\frac{a_{1}}{b_{1}}=\frac{a_{2}}{b_{2}}$