Out of 7 consonants and 4 vowels, how many words of 4 consonants and 2 vowels can be formed? Choose the correct choice from the following:
A) 25900	B) 151200	C) 210	D) 120	E) 720
Required selection = select 4 consonants from 7 and 2 vowels frm 4   = 7C4 * 4C2   = 210   As we have to form 6 letter word the above combination of consonants and vowels can be done in 6! = 720 different ways   Required no. of ways = 210 * 720= 
<gadget id="calculator">210 * 720</gadget>
<output>151_200</output>
151200   Ans - 151200
<result>B</result>
Out of 7 consonants and 4 vowels, how many words of 4 consonants and 2 vowels can be formed?