S and T can finish a work in 50 days. They worked together for 20 days and then left.
How much of the work is left?
\( \frac{3}{5} \)
\( \frac{1}{3} \)
\( \frac{1}{2} \)
\( \frac{2}{5} \)
Money can be transferred using mobile phones through the service called
The smell that we get when LPG cylinder leaks is due to the presence of
Nitrogen peroxide
Carbon monoxide
Sulphur compound
Carbon dioxide
Blotting paper absorbs ink due to
Four pairs of words are given. Find the odd one out.
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