# 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

Q26. **A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:**

1.  10%
2.  10.08%
3.  20%
4.  28%

Solution : 28%
Q27. **A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?**

1.  20
2.  24
3.  30
4.  33

Solution : 30
Q28. **The diagonal of a rectangle is (41)^1/2 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:**

1.  9 cm
2.  18 cm
3.  20 cm
4.  41 cm

Solution : 18 cm
Q29. **The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:**

1.  1520 m2
2.  2420 m2
3.  2480 m2
4.  2520 m2

Solution : 2520 m2

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Q30. **The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?**

1.  25% increase
2.  50% increase
3.  50% decrease
4.  75% decrease

Solution : 50% increase
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