The average monthly pocket money of 24 girls in a class is ₹ 275, whereas for 16 boys of the class it is ₹ 325. What is the average monthly pocket money of the whole class?
A₹ 310
B₹ 300
C₹ 295
D₹ 290
Answer:
C. ₹ 295
Read Explanation:
sum = Average × Number of terms
The total pocket money of girls = 275 × 24 = 6600
The total pocket money of boys = 325 × 16 = 5200
The total students = 24 + 16 = 40
The average monthly pocket money = (6600 + 5200)/40
= 11800/40
= 295