Of three numbers, the third is twice the first and the second is 4 times the first. If their average is 77, the smallest of the three numbers is:
Choose the correct answer
A) 18
B) 25
C) 20
D) 32
E) 33
Explanation:   Let first number be x.   So,2nd no. = 4x &amp; 3rd no.=2x.   So,x+4x+2x=77 × 3 = 231   7x = 231   x = 231/7   Hence,smallest Number x=33   Answer: 33
<result>E</result>
Of three numbers, the third is twice the first and the second is 4 times the first. If their average is 77, the smallest of the three numbers is: