Question
In a town of 5000 inhabitants, 75% are males, and 20% of
them are literate. If 25% of the total population is literate, what percentage of the female population is illiterate?Solution
ATQ, Number of illiterate males = 0.75 Γ 0.8 Γ 5000 = 3000 Number of illiterate females = (0.75 Γ 5000) β 3000 = 750 Total number of females = 0.25 Γ 5000 = 1250 Required percentage = (750/1250) Γ 100 = 60%
- Find the wrong number in the given number series.
17, 28, 21, 32, 25, 45 120, 240, 80, 320, 60, 384
15, 30, 30, 20, 10, 8
121, 240, 386, 555, 751, 976
225, 45, 450, 90, 900, 150, 1800
360, 322, 286, 248, 220, 190
Find the Wrong number in the given number series.
3, 6, 2, 8, 2.4, 9.6
21, 23, 27, 35, 51, 87Β
12, 3.6, 18, 0.72, 0.432, 0.3024
39, 43, 59, 95, 159, 281