Question 97 pupils of average age 12 years leave a class of 25 pupils of average age 14 years. If 6 new pupils of average age 11 years join the class, what is the average age of the pupils now in the class? A.13yearsB.12years 7 1/2monthsC.13 years 5monthsD.13years 10 monthsE.11 yearsObjective Show full explanation