# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 541 - 547 of 989

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## Question number: 541

Edit

### Question

MCQ▾

The point (3, -2) belongs to Quadrant ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 542

Mathematics
Edit

### Question

MCQ▾

The rationalizing factor of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 543

Edit

### Question

MCQ▾

A metallic right circular cone of height 18 cm and base radius 14 cm is melted into a cuboid whose two sides are 22 cm and 12 cm. What is the third side of the cuboid?

### Choices

Choice (4)Response

a.

12 cm

b.

28 cm

c.

14 cm

d.

7 cm

## Question number: 544

Edit

### Question

MCQ▾

The area of the base of a cone is 308 sq cm. Its height is 24 cm. Then its total surface area is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 545

Mathematics
Edit

### Question

MCQ▾

If a and b are two rational numbers, then which of the following statements is wrong?

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 546

Edit

### Question

MCQ▾

The ratio of the volume and curved surface area of a cylinder of unit radius and unit height

### Choices

Choice (4)Response

a.

2: 3

b.

2: 1

c.

1: 2

d.

3: 2

## Question number: 547

Mathematics
Edit

### Question

MCQ▾

The average weight of sample of 8 mangoes is 58 g. Later it was found that the weighing machine had shown the weight of each mango 3 g more. The correct average weight of a mango is

### Choices

Choice (4)Response

a.

61 g

b.

55 g

c.

66 g

d.

50 g