Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 861 - 868 of 987
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Question 861
Question MCQ▾
The total surface area of a cylinder is 330 sq cm with height 5.5 cm. Then its volume is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 862
Question MCQ▾
The perimeter of a rhombus is 96 cm and one of its diagonals is 36 cm. The length of the other diagonal is
Choices
Choice (4) | Response | |
---|---|---|
a. | 64 cm, | |
b. | 32 cm, | |
c. | 32 cm, | |
d. | 64 cm, |
Question 863
Question MCQ▾
If ‘n’ is an irrational number then ‘3n’ is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | A rational number | |
b. | An irrational number | |
c. | A natural number | |
d. | A whole number |
Question 864
Question MCQ▾
The arithmetic mean of nine given numbers is 16. Their sum is
Choices
Choice (4) | Response | |
---|---|---|
a. | 72 | |
b. | More than 144 | |
c. | Between 72 and 144 | |
d. | 144 |
Question 865
Question MCQ▾
In a throw of a dice, the probability of getting a prime number is
Choices
Choice (4) | Response | |
---|---|---|
a. | 6 | |
b. | ||
c. | 2 | |
d. |
Question 866
Question MCQ▾
Which of the following is a rational number (s) ?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | All a., b. and c. are correct |
Question 867
Question MCQ▾
The sides of a triangle are 12 cm, 16 cm and 20 cm. The altitude to shortest side is
Choices
Choice (4) | Response | |
---|---|---|
a. | 28 cm | |
b. | 36 cm | |
c. | 32 cm | |
d. | 16 cm |
Question 868
Question MCQ▾
The largest sphere is cut off from a cube of side 6 cm. The volume of the sphere will be:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | 108 |