Question
The volume of water measured on a rectangular field 400m
200m is 8000 . Find the depth (amount) of rain that has fallen.Solution
Volume of water = Volume of the field with rainwater as height ⟹ 8000 = 400 × 200 × h ∴ h = 8000/(400 × 200) = 1/10  m = 10 cm
Which innovation stabilizes railway tracks in flood-prone areas?
What is the operational speed target for the Golden Quadrilateral trains?
When was it decided to replace existing rail networks by zones?
"Lines made of ............... is needed in a cylinder block made of aluminum."
By the year 2006, how many railway zones were created under Indian Railways?
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The first passenger train that ran between Boribunder and Thane, covered a distance of:
Which was the first railway line to open in South India?
When did the first railway train run on the Indian subcontinent?
On the recommendation of _____ in 1978, a number of electrification works were taken up in Indian Railways.
Which system manages freight operations in Indian Railways?
