# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 710 - 717 of 1484

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## Question 710

### Question

MCQ▾

If and have a common root, then the value of ‘a’ is

### Choices

Choice (4)Response

a.

b.

c.

11 only

d.

Question does not provide sufficient data or is vague

## Question 711

### Question

MCQ▾

If the roots of a quadratic equation are equal, then:

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 712

### Question

MCQ▾

The roots of the equation are in the ratio 3: 8, then k = ________.

### Choices

Choice (4)Response

a.

-8

b.

15

c.

10

d.

11

## Question 713

### Question

MCQ▾

If one root of is thrice the other root, then the value of ‘a’ is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 714

### Question

MCQ▾

If the midpoints of the sides of a square are joined successively the figure formed is ________.

### Choices

Choice (4)Response

a.

Rectangle

b.

Square

c.

Trapezium

d.

Question does not provide sufficient data or is vague

## Question 715

### Question

MCQ▾

If be the roots of the quadratic equation , then the quadratic equation whose roots are and is:

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 716

### Question

MCQ▾

The figure formed by successively joining the midpoints of a parallelogram is ________.

### Choices

Choice (4)Response

a.

Parallelogram

b.

Square

c.

Rectangle

d.

Rhombus

## Question 717

### Question

MCQ▾

The points form the vertices of

### Choices

Choice (4)Response

a.

Equilateral triangle

b.

Isosceles right angled triangle

c.

Isosceles triangle

d.

Right angled triangle

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