# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 144 - 151 of 1484

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## Question number: 144

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MCQ▾

### Question

The equation has:

### Choices

Choice (4) Response

a.

Two imaginary root

b.

One real root

c.

No root

d.

One real root and one imaginary root

## Question number: 145

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MCQ▾

### Question

If x, y and are not zero, then equals to,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 146

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MCQ▾

### Question

The age of a woman is three times the age of her daughter. Five years hence, the age of woman will be two times the age of her daughter. The present age of daughter is,

### Choices

Choice (4) Response

a.

4

b.

6

c.

3

d.

5

## Question number: 147

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MCQ▾

### Question

A toy train crosses 210 m and 122m long tunnels in 25 and 17 seconds respectively. The length of the train is.

### Choices

Choice (4) Response

a.

332m

b.

88m

c.

65m

d.

11m

## Question number: 148

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MCQ▾

### Question

The LCM of two numbers is 630 and HCF is 9. If the sum of the number is 153, their difference is,

### Choices

Choice (4) Response

a.

27

b.

56

c.

45

d.

97

## Question number: 149

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MCQ▾

### Question

The primes p, q and r satisfy where “r” is an even number, then p equals:

### Choices

Choice (4) Response

a.

2

b.

6

c.

8

d.

4

## Question number: 150

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MCQ▾

### Question

Which of the following system of equations has infinitely many solution?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 151

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MCQ▾

### Question

Which of the following system of equations is consistent?

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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