Question 65
24 students collected money for donation. The average contribution was ₹50. Later on, their teacher also contributed some money. Now the average contribution is ₹56. The teacher’s contribution is:
Solution
Total money contribution by 24 students = average $$\times no. of students = 50 \times 24$$ = 1200
Total money contribution by 24 students and their teacher = 56 $$\times 25$$ = 1400
Teacher’s contribution = 1400 - 1200 = Rs.200
Get AI Help
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
