Answer :

Given,


Dimensions of dining hall = 20m × 16m × 4.5m


Volume of hall = 20 × 16 × 4.5 = 1440 m3


Volume of air required by one person = 5 m3


Number of persons in hall =


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Surface Area and Volume of CuboidSurface Area and Volume of CuboidSurface Area and Volume of Cuboid47 mins
Surface Area & Volume of Cone and CylinderSurface Area & Volume of Cone and CylinderSurface Area & Volume of Cone and CylinderFREE Class
Smart Revision | Surface Area and Volume of CuboidSmart Revision | Surface Area and Volume of CuboidSmart Revision | Surface Area and Volume of Cuboid48 mins
Smart Revision | Surface Area and Volume of CubeSmart Revision | Surface Area and Volume of CubeSmart Revision | Surface Area and Volume of Cube40 mins
Smart Revision | Surface Area and Volume of ConeSmart Revision | Surface Area and Volume of ConeSmart Revision | Surface Area and Volume of Cone46 mins
Surface Area of Right Circular CylinderSurface Area of Right Circular CylinderSurface Area of Right Circular Cylinder52 mins
Surface Area of Cube and CuboidSurface Area of Cube and CuboidSurface Area of Cube and Cuboid49 mins
Surface Area of Right Circular CylinderSurface Area of Right Circular CylinderSurface Area of Right Circular Cylinder49 mins
Smart Revision | Surface Area and Volume of CylinderSmart Revision | Surface Area and Volume of CylinderSmart Revision | Surface Area and Volume of Cylinder51 mins
Surface Area and Volume of SpheresSurface Area and Volume of SpheresSurface Area and Volume of Spheres40 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

Ravish wanted to RD Sharma - Mathematics

If the radius of RD Sharma - Mathematics

If each edge of aRD Sharma - Mathematics

The height h</RD Sharma - Mathematics

Find the lateral RS Aggarwal & V Aggarwal - Mathematics

The length and brRD Sharma - Mathematics

The dimensions ofRD Sharma - Mathematics

A culindrical watRD Sharma - Mathematics

If each edge of aRD Sharma - Mathematics

If the height of RD Sharma - Mathematics