UPSC EPFO EO/AO 2021 · Question 119
Question 119 of the UPSC EPFO EO/AO Recruitment Test 2021 (General Ability Test, Advt. 51/2020) (5 September 2021). Try it first, then check your answer and the explanation in the practice app.
The average weight of 100 students in a class is 46 kg. The average weights of boys and girls are 50 kg and 40 kg respectively. What is the difference between the number of boys and girls?
- 30
- 25
- 20
- 10
एक कक्षा में 100 छात्रों का औसत वज़न 46 kg है। लड़कों और लड़कियों के औसत वज़न क्रमशः 50 kg और 40 kg हैं। लड़कों और लड़कियों की संख्या के बीच में कितना अंतर है?
- 30
- 25
- 20
- 10
Answer and explanation: open it in the practice app. 3 days free when you register, then one ₹45 PYQ Pass for every exam on the site.