GJ Police PC · Quantitative Aptitude
Areas, perimeters, surface areas and volumes of standard 2D/3D figures.
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Q1 · Mensuration · EASY
A rectangular park is 60 m long and 40 m wide. If a path of uniform width 2 m is constructed outside the park all around, what is the area of the path?
Q2 · Mensuration · MEDIUM
The area of a circular field is 13,860 sq m. Find the cost of fencing the field at the rate of Rs. 5 per metre. (Use π = 22/7)
Q3 · Mensuration · MEDIUM
A closed cylindrical tank has height 14 m and base radius 5 m. Find the total surface area of the tank. (Use π = 22/7)
Q4 · Mensuration · HARD
A hemispherical bowl is made of steel 0.5 cm thick. The inner radius of the bowl is 6 cm. Find the volume of steel used in making the bowl. (Use π = 22/7)
Q5 · Mensuration · MEDIUM
The radius of a circular park is 28 m. What is the area of the park? (Use π = 22/7)