The population of a town increases 4 % annually but is decreased by emigration annually to the extent of (1/2) %. What will be the increase percent in three years?
A. 9.8
B. 10
C. 10.5
D. 10.8
A. 9.8
B. 10
C. 10.5
D. 10.8
A. 456
B. 744
C. 912
D. 1200
Explanation:
W = 62% L = 38%
62% – 38% = 24%
24% ——– 288
62% ——– ? => 744
A. 47.5
B. 50
C. 45
D. 40
A. 32
B. 36
C. 42
D. 46
A. 430
B. 570
C. 480
D. 520
E. None of these
Explanation:
Let the total number of valid votes be x.
70% of x = 70/100 * x = 7x/10
Number of votes secured by the other candidate = x – 7x/100 = 3x/10
Given, 7x/10 – 3x/10 = 172 => 4x/10 = 172
=> 4x = 1720 => x = 430.
A. 20
B. 120
C. 360
D. 720
Explanation:
Let the number x. Then,
20% of x = 120
x = (120 * 100)/20 = 600
120% of x = (120/100 * 600) = 720.
A. 80%
B. 100%
C. 84%
D. 87.5%
E. None of these
Explanation:
Percentage of milk in the mixture formed = [80/100 (180) + 36] / (180 + 36) * 100% = (144 + 36)/216 * 100% = 5/6 * 100% = 83.33%.