Of three numbers, the third is four times the second and the second is two times the first. If their average is 165, the smallest of the three numbers is:
Choose the correct choice from the following answers
A) 18	B) 19	C) 45	D) 21	E) 22
Explanation:   Let first number be x.   So,2nd no. = 2x &amp; 3rd no.=8x.   So,x+2x+8x=165 × 3 = 495   11x = 495/11   x = 495/11   Hence,smallest Number x=45   Answer: 45
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Of three numbers, the third is four times the second and the second is two times the first. If their average is 165, the smallest of the three numbers is: