# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 770 - 775 of 1484

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## Question number: 770

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MCQ▾

### Question

Find the value of k if the area of triangle formed by is 18 sq units

### Choices

Choice (4)Response

a.

-4 or 8

b.

1

c.

-8 or 4

d.

2 or -4

## Question number: 771

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MCQ▾

### Question

The area of formed by vertices is ________.

### Choices

Choice (4)Response

a.

sq units

b.

sq units

c.

14 sq units

d.

All of the above

## Question number: 772

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MCQ▾

### Question

If A and B are acute in right angled then

### Choices

Choice (4)Response

a.

b.

c.

1

d.

None of the above

## Question number: 773

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MCQ▾

### Question

The distance between the points and is

### Choices

Choice (4)Response

a.

units

b.

units

c.

11 units

d.

10 units

## Question number: 774

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MCQ▾

### Question

The top of a broken tree has its top end touching the ground at a distance 20 m from the bottom, the angle made by the broken end with the ground is . Then length of broken part = ________.

### Choices

Choice (4)Response

a.

m

b.

m

c.

m

d.

m

## Question number: 775

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MCQ▾

### Question

In a quadrilateral ABCD, AD = BC. If P, Q, R, S are mid points of AB, AC, CD and BD respectively. Then ________.

### Choices

Choice (4)Response

a.

PQRS is a square

b.

PQRS is a rhombus

c.

PQRS is a rectangle

d.

Question does not provide sufficient data or is vague

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