# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 893 - 898 of 989

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## Question 893

Mathematics
Edit

### Question

MCQ▾

The number where a, b > 0 is

### Choices

Choice (4)Response

a.

Rational

b.

Irrational

c.

Question does not provide sufficient data or is vague

d.

None of the above

## Question 894

Edit

### Question

MCQ▾

A vessel is in conical shape. If its volume is 18.48 liters and height is 36 cm, the cost of repairing its CSA at Rs. 24/sq m is

### Choices

Choice (4)Response

a.

2.76

b.

3.54

c.

1.47

d.

1.94

## Question 895

Mathematics
Edit

### Question

MCQ▾

If A: Every whole number is a natural number and

R: 0 is not a natural number.

Then which of the following statements is true?

### Choices

Choice (4)Response

a.

A is false and R is correct explanation of A

b.

A and R are true

c.

A is true and R is false

d.

A is true and R is correct explanation of A

## Question 896

Mathematics
Edit

### Question

MCQ▾

The mean of the eight numbers is 46. If one of the numbers is excluded, the mean of the remaining numbers is 42. Then the excluded number is

### Choices

Choice (4)Response

a.

83

b.

59

c.

74

d.

All of the above

## Question 897

Mathematics
Edit

### Question

MCQ▾

The factors of are:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 898

Edit

### Question

MCQ▾

The point (7, -3) is at a distance of ________ units from X-axis.

### Choices

Choice (4)Response

a.

3 units in negative direction

b.

10 units in negative direction

c.

7 units in positive direction

d.

All of the above