If \[\frac{1}{5}\] of the primary school students were below \[10\] years old, how many primary school students were \[10\] years old and above?
A) \[210\]
B) \[350\]
C) \[140\]
D) \[280\]
Correct Answer: D
Solution :
The no. of primary school students\[=350\] \[\frac{1}{5}\]of \[350\] are below \[10\] years old. So, \[\frac{4}{5}\] of \[350\] are \[10\] years old and above. \[\therefore \]The required number\[=\frac{4}{5}\times 350\] \[=280\]
You need to login to perform this action.
You will be redirected in
3 sec
