Get Started with ixamBee
Start learning 50% faster. Sign in now
Total height of 25 students of the class = 130 times; 25 = 3250 cm When 10 new students joined the class, average height of each student = 130 + 4 = 134 cm Total height of 35 students of the class = 134 times; 35 = 4690 cm Average height of 10 new students who joined the class = {(4690 ndash; 3250)/10} = 1440/10 = 144 cm