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Let the length of train X = 5a , time = 5b Speed = a/b Let the length of train Y = 8a , time = 2b Speed = 4a/b Ratio of the speed = 
= 1 : 4 Speed of train Y = 24 × 4 = 96 km/h in m/s = 96 × 5/18 = 27 m/s ( approx )
Select the most appropriate option to substitute the bold segment in the given sentence. If there is no need to substitute,select no improvement
<...She told me that she knows someone who studies the stars and planets.
Instituting processes of national innovation, rather than waiting to imitate a good idea from some other country, is perhaps the most important lesson...
The people are stuffing from cancer and other diseases and the recreation imposed is in more public interest.
1. suffering, restriction, la...
"The committee needs to select someone for written the report before the meeting."
Select the most appropriate option that can substitute the bold segment in the given sentence. If there is no need to substitute it, select ‘No substi...
The majority of patients today using of facilities created mostly by for-profit urban hospitals.
...My cousin has been ill since three days .
Bacteria is the most common form of life.
In the question below, a sentence is provided, with one word highlighted in bold. Three pairs of words is given, out of which only one word of each pai...
