ધોરણ 10 માં 5 વિધાર્થી છે અને ધોરણ 11 મા | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

Class
			$10^{	ext {th }}$
			$11^{	ext {th }}$
			$12^{	ext {th }}$
			 
		
		
			Total student
			$5$
			$6$
			$8$

Vedclass · Accepted Answer

$238$

Vedclass · Answer

Class
			$10^{	ext {th }}$
			$11^{	ext {th }}$
			$12^{	ext {th }}$
			 
		
		
			Total student
			$5$
			$6$
			$8$
			 
		
		
			 
			$2$
			$3$
			$5$
			$\Rightarrow{ }^{5} C_{2} 	imes{ }^{6} \mathrm{C}_{3} 	imes{ }^{8} \mathrm{C}_{5}$
		
		
			Number of selection
			$2$
			$2$
			$6$
			$\Rightarrow{ }^{5} \mathrm{C}_{2} 	imes{ }^{6} \mathrm{C}_{3} 	imes{ }^{8} \mathrm{C}_{6}$
		
		
			 
			$3$
			$2$
			$5$
			$\Rightarrow{ }^{5} \mathrm{C}_{3} 	imes{ }^{6} \mathrm{C}_{2} 	imes{ }^{8} \mathrm{C}_{5}$
		
	


$\Rightarrow$ Total number of ways $=23800$

According to question

$100 \mathrm{~K}=23800$

$\Rightarrow \mathrm{K}=238$

Similar Questions