Mathematics
A bag contains 8 white and 12 black balls, the percentage of black balls in the bag is:
20%
150%
60%
40%
Percent & Percentage
75 Likes
Answer
Given:
Number of white balls = 8
Number of black balls = 12
Total number of balls = 12 + 8 = 20
Percentages of black balls = %
= %
= %
= 60 %
Hence, option 3 is the correct option.
Answered By
30 Likes
Related Questions
A number is first increased by 20%, then the resulting number is decreased by 20%. On the whole the original number is increased/decreased by :
4% increased
4% decreased
2% increased
2% decreased
After paying 20% of the income, a man is left with ₹ 160; then the income of the man is:
₹ 128
₹ 192
₹ 200
none of these
If A + B + C = 400 in which A is 40% and B is 45%, then the exact quantity of C in the whole is :
160
60
180
15%
A number is decreased by 20%. If the resulting number is 800, the original number is :
640
960
1000
600