Task: Question Answering
Input (English): Problem: the average height of 30 girls out of a class of 40 is 160 cm. and that of the remaining girls is 156 cm. the average height of the whole class is :
Options: a. 158 cms, b. 158.5 cms, c. 159 cms, d. 159.5 cms, e. none
Output (English): c