# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 452 - 458 of 1484

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## Question number: 452

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MCQ▾

### Question

The sum of the series to 30 terms is

### Choices

Choice (4)Response

a.

1800

b.

1540

c.

1620

d.

1860

## Question number: 453

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MCQ▾

### Question

Area of quadrilateral formed by the vertices and is

### Choices

Choice (4)Response

a.

sq units

b.

sq units

c.

sq units

d.

sq units

## Question number: 454

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MCQ▾

### Question

The HCF and LCM of the polynomials P (x) and Q (x) are and . If Q (x) = , then P (x) =

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 455

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MCQ▾

### Question

A rational expression whose numerator is a quadratic polynomial with zeroes, 5 and 7 and whose denominator is a monomial with zeroes 6 is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 456

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MCQ▾

### Question

The base radius of a cylinder is times its height. The cost of painting its CSA at is Rs. 21.56. The volume of the liquid is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 457

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MCQ▾

### Question

The height of a cone is 30 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.

### Choices

Choice (4)Response

a.

30 cm

b.

15 cm

c.

10 cm

d.

20 cm

## Question number: 458

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MCQ▾

= ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

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