Average: Weighted Average

A student scores 70 in a 40-mark test (weight 3) and 80 in a 60-mark test (weight 2). Weighted average is:

10 kg rice at Rs. 20/kg is mixed with 15 kg at Rs. 30/kg. Average price per kg is:

Class A has 30 students with average 60. Class B has 20 students with average 75. Combined average is:

Maths (4 credits) score 80, English (3 credits) score 70, Science (3 credits) score 90. Weighted average is:

An alloy has 2 parts copper (density 8) and 3 parts zinc (density 6). Average density is:

A student scores 72 and 84 in two equal 50-mark tests. Weighted average is:

Rs. 5,000 at 8% and Rs. 10,000 at 12% are invested. Weighted average rate is:

4 apples of 60 g and 6 apples of 80 g. Average weight per apple is:

Section I: 40 students, average 55. Section II: 60 students, average 65. Combined average is:

20 L milk at Rs. 24/L mixed with 30 L at Rs. 30/L. Average price is:

Weighted average of 30 (weight 2) and 45 (weight 3) is:

Two values 25 and 35 with equal weights have weighted average:

Group A: 15 members, average 48. Group B: 25 members, average 52. Combined average is:

3 kg at Rs. 40/kg and 7 kg at Rs. 60/kg. Average cost per kg is: