NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1045 - 1050 of 1998
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Question 1045
Question MCQ▾
A cone of radius 25 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 ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 5: 1 | |
b. | 12: 1 | |
c. | 1: 7 | |
d. | 1: 14 |
Question 1046
Question MCQ▾
The sum of 20 numbers is 580. The mean of those numbers is
Choices
Choice (4) | Response | |
---|---|---|
a. | 21 | |
b. | 19 | |
c. | 29 | |
d. | 58 |
Question 1047
Question MCQ▾
A cylindrical vessel of diameter 72 cm has some water in it. A cylindrical iron piece of diameter 12 cm and height 36 cm is dropped in it. After it was completely immersed, the raise in the level of water is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 cm | |
b. | 6 cm | |
c. | 1 cm | |
d. | 9 cm |
Question 1048
Question MCQ▾
With a bucket of radius 28 cm and height 2 cm, 6 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1049
Question MCQ▾
Which of the following is most accepted membrane model
Choices
Choice (4) | Response | |
---|---|---|
a. | Fluid Mosaic model | |
b. | Unit Membrane model | |
c. | Sandwich Model | |
d. | Question does not provide sufficient data or is vague |