In a school 70% of the students are girls. The number of boys are 510. |
Then, the total number of students in the school is |
A) 850
B) 1700
C) 1830
D) 1900
Correct Answer: B
Solution :
Let, the total number of students = x. \[\therefore \] 30% Students = 510 \[\Rightarrow \] \[\frac{30\times x}{100}=510\] \[\Rightarrow \] \[x=\frac{510\times 100}{30}=1700\]You need to login to perform this action.
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