# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 157 - 162 of 2028

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## Question 157

### Question

MCQ▾

Choose the correct statement.

### Choices

Choice (4)Response

a.

The diagonals of a rhombus are equal

b.

If the diagonals of a quadrilateral intersect at right angles, it can be a rhombus or square.

c.

The diagonals of a parallelogram are perpendicular to each other.

d.

Every quadrilateral is either a rectangle or a parallelogram or a kite.

## Question 158

### Question

MCQ▾

In the given diagram, find the value of x.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 159

### Question

MCQ▾

If two adjacent angles of a parallelogram are in the ratio 5: 7, then the measure of the angles are:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 160

### Question

MCQ▾

ABCD is a rectangle and AC is bisector of angle A as shown in below figure. Then the shown angles x and y are related as:

### Choices

Choice (4)Response

a.

x < y

b.

x > y

c.

x = y

d.

Cannot be determined from given data

## Question 161

### Question

MCQ▾

Given that the area of parallelogram ABCD is . Then the length of BC in the diagram is:

### Choices

Choice (4)Response

a.

8 cm

b.

16 cm

c.

10 cm

d.

15 cm

## Question 162

### Question

MCQ▾

Which of the following is a rational number (s) ?

### Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

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