A. 63
B. 31
C. 21
D. None of these
A. Speed and Distance equation
B. Profit and Loss equation
C. Work and Time equation
D. Ratio and Proportion equation
A. 20 : 3
B. 20 : 1
C. 20 : 10
D. None of these
A. 9 : 20
B. 18 : 40
C. 36 : 80
D. 45 : 100
A. 40, 32
B. 40, 22
C. 30, 22
D. None of these
A. 40, 34
B. 38, 32
C. 36, 30
D. None of these
A. 32
B. 16
C. 24
D. None of these
A. 12:1
B. 5:1
C. 1:5
D. None of these
