 
<translate> Ọnụ ọgụgụ afọ ụmụ akwụkwọ bụ 32X16 = 512 Afọ Ọnụ ọgụgụ afọ nke onye nkụzi = 33X (16+1) = 561 Ya mere, afọ onye nkuzi bụ 561-512 = 49 Yrs E nwere ụzọ mkpirisi maka ụdị nsogbu ndị a Afọ onye nkuzi bụ 16+(33X1) = 49 Afọ Ya mere azịza ya bụ (A). <eng> Total age of students is 32X16 = 512 Years
Total age inclusive of teacher = 33X (16+1) = 561
So, Teacher's age is 561-512 = 49 Yrs
There is a shortcut for these type of problems
Teacher's age is 16+(33X1) = 49 Years So the answer is (A). 