# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 756 - 764 of 989

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## Question number: 756

» Mathematics » Heron's Formula

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MCQ▾

### Question

The area of a triangle whose sides are 6,8 and 10 cm.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 757

» Mathematics » Surface Areas & Volumes

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MCQ▾

### Question

Two cylinders of the same volume have their heights in the ratio 4: 3. Find the ratio of their radii.

### Choices

Choice (4)Response

a.

b.

2: 3

c.

3: 2

d.

## Question number: 758 (1 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

At what time is the temperature highest?

### Choices

Choice (4)Response

a.

15: 00 hrs

b.

11: 00 hrs

c.

17: 00 hrs

d.

19: 00 hrs

## Question number: 759 (2 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

The temperature of patient at 21: 00 hrs. is

### Choices

Choice (4)Response

a.

101

b.

99

c.

98

d.

100

## Question number: 760 (3 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

At what time is the temperature lowest?

### Choices

Choice (4)Response

a.

21: 00 hrs

b.

9: 00 hrs

c.

19: 00 hrs

d.

13: 00 hrs

## Question number: 761 (4 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

What is the average temperature of patient between 17: 00,19: 00,21: 00 hrs. ?

### Choices

Choice (4)Response

a.

101

b.

103

c.

99

d.

100

## Question number: 762 (5 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

What is the percentage decrease in temperatures between 15: 00 hrs. and 17: 00 hrs. ?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 763 (6 of 6 Based on Passage) Show Passage

» Mathematics » Statistics

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MCQ▾

### Question

What is the percentage increase in temperatures between 19: 00 hrs. and 21: 00 hrs. ?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 764

» Mathematics » Heron's Formula

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MCQ▾

### Question

One side of an equilateral triangle is 6 cm. Its area is

### Choices

Choice (4)Response

a.

b.

c.

d.

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