Carcass wrote:
Attachment:
#grepracticequestion By what percent did the number of schools with.jpg
Attachment:
#grepracticequestion By what percent did the number of schools with (2).jpg
By what percent did the number of schools with Pupil/Teacher ratio less than 16 increase in January 1999 over January 1998?
(A) –2%
(B) 0%
(C) 2%
(D) 10%
(E) 12%
Here,
Pupil/Teacher ratio less than 16 in Jan 1998 = 20
♦ (
♦ because it is less than 20)
Pupil/Teacher ratio less than 16 in Jan 1999 = 22
♦Percentage increase = \(\frac{{22}}{{20}} * 100\)
% = 10%