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) 7
B) 15
C) 10
D) 15
E) 20
Correct Answer: C
Solution :
Total number of people (Literates + Illiterates) who attended the workshop on Sunday \[=420+5\times \frac{420}{6}=420+350=770\] Total number of people (Literates + Illiterates) who attended the workshop on Thursday \[=420+2\times \frac{420}{3}=420+280=700\] \[\therefore \] Reqd % more \[=\frac{770-700}{700}\times 100=\frac{70}{700}\times 100=10%\]You need to login to perform this action.
You will be redirected in
3 sec