A. neither increased nor decreased
B. increased by 1 %
C. decreased by 1 %
D. decreased by 10 %

A. 65 %
B. 70 %
C. 80 %
D. 60%

A. 25 %
B. 55%
C. 40.5 %
D. 56.25 %

A. 2:5
B. 4:5
C. 6:7
D. 3:5

A. does not change
B. decreased by 1 %
C. increased by 1 %
D. None of these

A. 18 3/4 %
B. 20 %
C. 16 3/4 %
D. 19 %

A. 10 litres
B. 15 litres
C. 66 2/3 litres
D. 20 litres

A. 13 %
B. 11 1/9 %
C. 11.25 %
D. 12 1/9 %

A. 26
B. 28
C. 30
D. 32

A. 40 %
B. 32 %
C. 22 %
D. 8 %