Multiple choice

The average weight of two groups with the same number of persons are 30 kg and 40 kg. respectively. What is the average weight (in kg.) of the two groups together? समान व्यक्तियों वाले दो समूहों का औसत भार क्रमशः 30 किग्रा. और 40 किग्रा. है। दोनों समूहों का एक साथ औसत भार (किग्रा. में) क्या है?

  1. 30

  2. 35

  3. 40

  4. 45

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When groups have equal size, combined average is (30+40)/2 = 35. This is a weighted average problem where equal weights simplify to the arithmetic mean of the two averages.