Area - Quantitative Aptitude

Q1. Find the area of the triangle whose sides are 9cm, 10cm and 11cm respectively
(a) 22√2 cm2
(b) 25√3 cm2
(c) 27√3 cm2
(d) 30√2 cm2

Q2. Find the area of the square whose diagonals is 3.2 cm long ?
(a) 4.98 cm2
(b) 5.12 cm2
(c) 5.23 cm2
(d) 6.15 cm2

Q3. A wheel makes 1000 rotation in covering a distance of 44 km. Find the radius of the wheel ?
(a) 5.5 m
(b) 6 m
(c) 7 m
(d) 7.5 m

Q4. The perimeter of a rectangle is 60 m. If its length is twice its breadth, then its area is
(a) 185 m2
(b) 190 m2
(c) 200 m2
(d) 220 m2

Q5. The diagonal of a square is 4√2 cm. The diagonal of another square whose area is double that of the first square is
(a) 7 cm
(b) 8 cm
(c) 10 cm
(d) 11 cm

Q6. The area of a square plot is 5000 m2. The length of its diagonal is
(a) 75 m
(b) 90 m
(c) 100 m
(d) 120 m

Q7. If each side of a square is increased by 50%, the ratio of the area of the resulting square to the area of the given square is
(a) 8 : 5
(b) 8 : 3
(c) 9 : 4
(d) 10 : 3

Q8. The sides of a triangle are in the ratio ½ : 1/3 : ¼ . If the perimeter is 52 cm then the length of the smallest side is
(a) 8 cm
(b) 10 cm
(c) 11 cm
(d) 12 cm

Q9. The area of a circle is increased by 22 cm2 when its radius is increased by 1 cm. The original radius of the circle is
(a) 3 cm
(b) 4 cm
(c) 6 cm
(d) 7 cm

Q10. The length of a rectangular plot is twice its breadth. If the length of its diagonal is 5√5 m, the area of the rectangle is
(a) 38 m2
(b) 46 m2
(c) 50 m2
(d) 53 m2

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