Delhi Police Constable 2 Dec 2020 Shift 1 Paper

Question : 78 of 100

Marks: +1, -0

A 5-m-deep cylindrical pit having a radius of 1.4 m is dug in a field. The earth so dug out is used to raise a platform of 10 m × 8 m. What is the height of the platform (in cm)?

(\;\text "Use"\;\:π = \;{22}/{7})

38.5
7.7
137.5
30

Validate

Go to Question:

Prev Question

Next Question