HR Police PC · Numerical Ability and Quantitative Aptitude
Area, perimeter, surface area and volume of standard figures.
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Q1 · Mensuration · EASY
A rectangular park has a length of 80 metres and a breadth of 60 metres. What is the perimeter of the park?
Q2 · Mensuration · MEDIUM
A cylindrical water tank has a radius of 7 metres and a height of 10 metres. What is the volume of the tank? (Use π = 22/7)
Q3 · Mensuration · MEDIUM
The area of a square field is 2304 square metres. A cow is tied at one corner of the field with a rope of length equal to the side of the square. What is the area that the cow can graze? (Use π = 22/7)
Q4 · Mensuration · HARD
A metallic sphere of radius 6 cm is melted and recast into a cylinder of radius 4 cm. What is the height of the cylinder? (Use π = 22/7)
Q5 · Mensuration · EASY
The radius of a circular park is 21 meters. What is the area of the park? (Use π = 22/7)