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RBI Assistant Prelims 2016 Sitting 3 Paper
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© examsnet.com
Question : 55
Total: 100
The sum of radius and height of right circular cylinder is 29 metre. If the total surface area of the cylinder is 1276 square metre, what is the volume of the cylinder? (in cubic metre)
3340
3442
3774
3308
3388
Validate
Solution:
According to the question,
r + h = 29 metre
Total surface area of cylinder = 2πr(r + h)
2
×
22
7
×
r
×
29
=
1276
⇒
r
=
1276
×
7
2
×
22
×
29
=
7
metre
h
=
29
−
r
=
29
−
7
=
22
metre
Volume of cylinder
=
π
r
2
h
=
22
7
×
7
×
7
×
22
= 3388 cubic metre
© examsnet.com
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