3:26
When 1 is added to each of the two given numbers, their ratio becomes 3:4 and when 5 is subtracted
Thalaivasal TNPSC Coaching Centre
2:08
The ratio of number of boys to that of girls in a group becomes 2:1 when 15 girls leave. But,
4:29
Six numbers a, b, c, d, e, f are such that ab=1 , bc= 1/2 , cd=6 , de=2 and ef= 1/2 . What
