The compounded ratio of x - y : x + y and (x + y)2 : x2 - y2 is :
2 : 1
1 : (x + y)2
1 : 1
1 : 2
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If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is :
6 : 1
2 : 3
1 : 6
3 : 2
Two numbers are in the ratio 5 : 8. If 10 is subtracted from each number, the ratio becomes 4 : 7. The numbers are :
80 and 40
50 and 80
25 and 40
40 and 25
The sub-duplicate ratio of 6x2 : 24y2 is :
x : 2y
2x : y
x : y
y : x