Aptitude - Volume and Surface Area - Discussion
Discussion Forum : Volume and Surface Area - General Questions (Q.No. 4)
4.
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
Answer: Option
Explanation:
Let the length of the wire be h.
| Radius = | 1 | mm | = | 1 | cm. | Then, |
| 2 | 20 |
 |
22 | x | 1 | x | 1 | x h = 66. |
| 7 | 20 | 20 |
| h = |
 |
66 x 20 x 20 x 7 |  |
= 8400 cm = 84 m. |
| 22 |
Discussion:
35 comments Page 4 of 4.
Adil said:
10 years ago
Please tell the formula.
Annu said:
8 years ago
I can't understand this.
Kishan Ghosh said:
6 years ago
I can't understand this.
Anju said:
1 decade ago
From where d 22/7 came?
Prashanth said:
6 years ago
1cm = 10mm.
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