Mensuration SSC GD Questions

SSC GD-Elementary Mathematics

Mensuration MCQ Questions


7.
The area of a square inscribed in a circle, whose diagonal is 16 cm, is:
SSC GD 2021-02.12.2021-2
A.
256 cm2
B.
64×\(\sqrt{2}\)​ cm2
C.
64 cm2
D.
128 cm2
😑 View Answer Rough Work Error
ANSWER :
D. 128 cm2
8.
Four birds A, B, C, D fly along the circumference of a jungle. They complete one round in 27 minutes. 30 minutes, 45 minutes and 60 minutes, respectively. Since they start together, when will they meet again (in hours) at the starting position?
SSC GD 2021-02.12.2021-2
A.
8
B.
10
C.
12
D.
9
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ANSWER :
D. 9
9.
The curved surface area of a cone is 25 \(\sqrt{2}\)​ π cm2 . If the height of the cone is equal to the radius of its base, then what is the volume (in cm3 ) of the cone? (Use π = \( \frac{22}{7} \) ) correct to two decimal places.
SSC GD 2021-02.12.2021-2
A.
140
B.
132.75
C.
130.95
D.
124.85
😑 View Answer Rough Work Error
ANSWER :
C. 130.95
10.
The radius of a sphere is 6 cm. The sphere is melted and drawn into a wire of radius 0.4 cm. The length of the wire is:
SSC GD 2021-02.12.2021-3
A.
14 m
B.
15 m
C.
18 m
D.
16 m
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ANSWER :
C. 18 m
11.
The area of a triangular field with sides 220 m, 231 m and 319 m is equal to 15 times the area of a circular garden. What is the diameter (in m) of the circular garden?
SSC GD 2021-02.12.2021-3
A.
7\(\sqrt{11}\)
B.
14\(\sqrt{7}\)
C.
14\(\sqrt{11}\)
D.
7\(\sqrt{7}\)
😑 View Answer Rough Work Error
ANSWER :
C. 14\(\sqrt{11}\)
12.
The sum of the length, the breadth and the height of a cuboid is 18 cm. If the length of its diagonal is 13 cm, then the total surface area of the cuboid is:
SSC GD 2021-03.12.2021-2
A.
154 cm²
B.
155 cm²
C.
150 cm²
D.
145 cm²
😑 View Answer Rough Work Error
ANSWER :
B. 155 cm²