A class of 40 students has an average height of 120 cm

A class of 40 students has an average height of 120 cm. four students whose average height is 160 cm, left the class and four others whose average height is 124 cm, joined. Calculate the new average height of the students of the class (in cm) is?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #86776