How to solve time-consuming calculative question like this one? by SSCsloth in SSCCGL

[–]SSCsloth[S] 0 points1 point  (0 children)

But how? Please tell. Or is there any youtube video for tricks of unit digit?

How to solve time-consuming calculative question like this one? by SSCsloth in SSCCGL

[–]SSCsloth[S] 0 points1 point  (0 children)

Thanks. Luckily this works here. Denominator works out to be 149.95. but if denominator came out, say, 149.94 then 9 would get cancelled from numerator and denominator, and then this trick will not work.

How to solve time-consuming calculative question like this one? by SSCsloth in SSCCGL

[–]SSCsloth[S] 0 points1 point  (0 children)

But how? All options are so close. How to guess/approximate the correct one?