SSC GD Constable previous year question
In a class, in an English exam of 50 marks, the average score of 20 students was 40 marks, of 25 students was 34 marks, and of 15 students was 26 marks. What is the weighted average score of the entire class?
Asked in SSC GD Constable 2025: 11 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (D) 34
Total marks = 20×40 + 25×34 + 15×26 = 800+850+390 = 2040; total students = 60; average = 2040/60 = 34.
हिंदी में प्रश्न
एक कक्षा में 50 अंकों की अंग्रेजी परीक्षा में, 20 छात्रों का औसत स्कोर 40 अंक था, 25 छात्रों का औसत स्कोर 34 अंक था और 15 छात्रों का औसत स्कोर 26 अंक था। पूरी कक्षा का भारित औसत स्कोर (weighted average score) कितना है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 34
कुल अंक = 20×40 + 25×34 + 15×26 = 800+850+390 = 2040; कुल छात्र = 60; औसत = 2040/60 = 34।
More solved Quantitative Aptitude questions
- Zakir travels from city A to city B. If Zakir drives his car at 1/4 of his usual speed, he reaches city B 45 minutes late. If Zakir had…
- Roopali scored double the marks in Maths compared to Science. Her total marks in Maths, Science and Computer are 234. If the ratio of her…
- A bus travels 60 km covering the distance from city P to Q in 45 minutes and returns to city P at a speed of 40 km/hr. What was the…
- 3/5 of a journey is covered at a speed of 84 km/hr and the remaining distance is covered at a speed of 56 km/hr. What is the average speed…
- If the difference between compound interest and simple interest on a sum for 3 years at 10% per annum is ₹124, find the principal (in ₹).
- If a shopkeeper offers a scheme of "buy five, get one free", find the effective discount percentage (correct to two decimal places).