A student was asked to find the value of `9 4/9 div 11 1/3 of 1/6+(1 1/3 xx1 4/5 div 3/5)xx 2 1/6 of 2/3 div 4/3 of 2/3`. His answer was `19 1/4`. What is the difference between his answer and the correct answer ?
किसी छात्र से `9 4/9 div 11 1/3 of 1/6+(1 1/3 xx1 4/5 div 3/5)xx 2 1/6 of 2/3 div 4/3 of 2/3` का मान ज्ञात करने को कहा गया |उसका उत्तर `19 1/4` था । उसके उत्तर एवं सही उत्तर में क्या अंतर है ?

Options

A. `7 3/4`
B. `6 2/3`
C. `7 1/2`
D. `6 1/3`