Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 815 - 821 of 987
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Question 815
Question MCQ▾
The largest volume of a cube that can be enclosed in a sphere of diameter 4 cm is (in )
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | 2 | |
c. | ||
d. | π |
Question 816
Question MCQ▾
If 9,11, 5 and 3 occur with frequencies 2,5, 1 and 6 respectively, then the arithmetic mean is
Choices
Choice (4) | Response | |
---|---|---|
a. | 6.6 | |
b. | 2.3 | |
c. | 6.86 | |
d. | 10 |
Question 818
Question 819
Question 820
Question MCQ▾
If and is the solution of the equation , then the value of ‘p’ is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 | |
b. | -3 | |
c. | -26 | |
d. | 9 |
Question 821
Question MCQ▾
A right circular cone of diameter K cm and height 24 cm rests on the base of a right circular cylinder of radius K cm (their bases lie in the same plane, as shown in the figure) . The cylinder is filled with water to a height of 24 cm. If the cone is then removed, the height to which water will fall is
Choices
Choice (4) | Response | |
---|---|---|
a. | 12 cm | |
b. | Cannot be determined from given data | |
c. | 20 cm | |
d. | 22 cm |