Day | Number of Iiterates(males + females) | Overall ratio (IIIiterates: Literates ) (Out of those who attended ) | Number of males (Literates + IIIiterates)(Out of those who attended ) |
Sunday | 420 | 5 : 6 | 250 |
Monday | 350 | 3 : 5 | 240 |
Tuesday | 320 | 5 : 4 | 320 |
Wednesday | 300 | 6 : 5 | 300 |
Thursday | 420 | 2 : 3 | 320. |
A) 18
B) 24
C) 22
D) 14
E) 28
Correct Answer: D
Solution :
Number of Illiterate (males + females) on Monday \[=350\times \frac{3}{5}=210\] Now, reqd difference \[=210\times \frac{140}{100}-350\times \frac{80}{100}=294-280=14\]You need to login to perform this action.
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