# Geometry and Mensuration

Geometry and Mensuration: Geometry Formulas and Mensuration Formulas. Circle Geometry. Mensuration Meaning. Mensuration Problems. Geometry Problems.

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## Online Aptitude Questions with Answers on Geometry and Mensuration

Q86. **The spherical ball of lead 3 cm in diameter is melted and recast into 3 spherical balls. The diameters of two of these are 1 ½ cm and 2 cm respectively. The diameter of third ball is?**

1.  2.66 cm
2.  2.5 cm
3.  3 cm
4.  3.5 cm

Solution : 2.5 cm
Q87. **The radius of a cylinder is 2 r units and height is 3 r units. Find the curved surface?**

1.  18 πr^2 sq units
2.  3 πr^2 sq units
3.  12 πr^2 sq units
4.  6 πr^2 sq units

Solution : 12 πr^2 sq units
Q88. **The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?**

1.  30 π cc
2.  45 π cc
3.  150 π cc
4.  180 π cc

Solution : 45 π cc
Q89. **The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?**

1.  308 sq cm
2.  220 sq cm
3.  440 sq cm
4.  132 sq cm

Solution : 440 sq cm

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Q90. **Find the expenditure on digging a well 14m deep and of 3m diameter at Rs.15 per cubic meter?**

1.  Rs.1185
2.  Rs.1285
3.  Rs.1385
4.  Rs.1485

Solution : Rs.1485
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