NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 646 - 654 of 2000
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Question number: 646
Question
If 3,7, 8 and 4 occur with frequencies 2,6, 7 and 3 respectively, then the arithmetic mean is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 18 | |
b. | 6.44 | |
c. | 6.2 | |
d. | 8 | |
Question number: 647
» Mathematics » Number Systems
Question
Which of the following statements is true?
Choices
| Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |
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Question number: 648
» Mathematics » Heron's Formula
Question
In a quadrilateral the sides are 8,15,13,18 units and the angle between first sides is a right angle. The area of quadrilateral is
Choices
| Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |
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Question number: 649
» Biology » Fundamentals Unit of Life
Question
Centrosome is present in
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Mitochondria | |
b. | Cytoplasm | |
c. | ER | |
d. | Nucleus | |
Question number: 650
» Mathematics » Number Systems
Question
equals
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a. |
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b. |
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c. |
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d. |
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Question number: 651
Question
A bag contains 6 blue and 9 black balls. If a ball is drawn at random, the probability that the drawn ball to blue is
Choices
| Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |
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Question number: 652
» Mathematics » Number Systems
Question
The value of x from
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. |
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d. | All of the above | |
Question number: 653
Question
The mean of 15 numbers is 35. If 5 is added to each of the first five numbers, then the mean of the new set of 15 numbers is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 30 | |
b. | 45.51 | |
c. | 36.67 | |
d. | 37 | |
Question number: 654
Question
If and , then the value of is:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 704 | |
b. | 407 | |
c. | 470 | |
d. | 308 | |