There are 10 balls, some of them are red and the others white. The average cost of all the balls is Rs. 28, average cost of red balls Rs. 25 and that of white balls is Rs. 30, the number of white balls is:
5 611 6401adcb35d86258ecd1ca0c
Q:
There are 10 balls, some of them are red and the others white. The average cost of all the balls is Rs. 28, average cost of red balls Rs. 25 and that of white balls is Rs. 30, the number of white balls is:
- 13false
- 25false
- 36true
- 47false
- Show Answer
- Workspace
- Discuss