NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 415 - 421 of 1484
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Question number: 415
» Mathematics » Surface Area and Volumes
Question
A cone of radius 30 cm is divided into two parts by drawing a plane through the midpoints of its axis, parallel to its base. The ratio of volumes of the two parts formed is ________.
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| Choice (4) | Response | |
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| a. | 7: 1 |
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| b. | 1: 6 |
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| c. | 1: 7 |
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| d. | 1: 14 |
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Question number: 416
» Mathematics » Surface Area and Volumes
Question
The lateral surface area of a right circular cylinder with base radius 7 cm and height 15 cm is
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| d. | All of the above |
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Question number: 417
» Mathematics » Arithmetic Progressions
Question
If the distinct non-zero numbers form a geometric progression with common ratio “r”, then “r” satisfies the equation ________.
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| d. | None of the above |
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Question number: 418
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Express as a rational expression.
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Question number: 419
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= ________
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| d. | All of the above |
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Question number: 420
» Mathematics » Surface Area and Volumes
Question
The base radius of a cylinder is times its height. The cost of painting its CSA at is Rs. 16.94. The volume of the liquid is ________.
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Question number: 421
» Mathematics » Surface Area and Volumes
Question
The diameter of a copper sphere is 12 cm. It is beaten and drawn into a wire of diameter 0.4 cm. The length of wire is ________.
Choices
| Choice (4) | Response | |
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| a. | 1800 cm |
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| b. | 3600 cm |
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| c. | 3000 cm |
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| d. | 7200 cm |
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