# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 149 - 155 of 1201

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## Question 149

Edit

### Question

MCQ▾

The diagonals of a parallelogram ABCD intersect at O. If and , then is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 150

Edit

### Question

MCQ▾

In a rhombus ABCD, the diagonals intersect at “O”. Then triangle ABD is:

### Choices

Choice (4)Response

a.

An isosceles but not a right angled triangle

b.

An isosceles right angled triangle

c.

An equilateral triangle

d.

A right angle but not an isosceles triangle

## Question 151

Edit

### Question

MCQ▾

ABCD is a rhombus. If , then is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 152

Edit

### Question

MCQ▾

A diagonal of a rectangle is inclined to one side of the rectangle at . The acute angle between the diagonals is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 153

Edit

### Question

MCQ▾

The quadrilateral formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a rhombus if:

### Choices

Choice (4)Response

a.

Diagonals of ABCD are perpendicular

b.

ABCD is a parallelogram

c.

Diagonals of ABCD are equal

d.

ABCD is a rectangle

## Question 154

Mathematics
Edit

### Question

MCQ▾

The difference between the greatest and least numbers of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 155

Edit

### Question

MCQ▾

If two adjacent angles of a parallelogram are in the ratio 2: 3, then the measure of the angles are:

### Choices

Choice (4)Response

a.

b.

c.

d.