# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 137 - 143 of 1484

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## Question number: 137

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MCQ▾

### Question

The product of two numbers is 1296 and their HCF is 12. How many pairs of such numbers can be find?

### Choices

Choice (4) Response

a.

2

b.

3

c.

4

d.

5

## Question number: 138

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MCQ▾

### Question

The solution of the system of the equationsand is

### Choices

Choice (4) Response

a.

b.

c.

All of the above

d.

Question does not provide sufficient data or is vague

## Question number: 139

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MCQ▾

If

### Choices

Choice (4) Response

a.

2

b.

- 3

c.

3

d.

0

## Question number: 140

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MCQ▾

### Question

For what value of k, the system of equations has infinitely many solutions.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 141

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MCQ▾

### Question

The income of P and Q are in the ratio 3: 2 and expenses are in the ratio 5: 3. If both save Rs. 200, what is the income of P?

### Choices

Choice (4) Response

a.

1200

b.

700

c.

1400

d.

1000

## Question number: 142

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MCQ▾

### Question

The sum of salaries of A and B are Rs. 6800. A spends 60 % of his salary and B spends 50%. If their savings are now in the proportion of 1: 2, what is the salary of B?

### Choices

Choice (4) Response

a.

4560

b.

3456

c.

1250

d.

2550

## Question number: 143

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MCQ▾

### Question

For what value of k, the system of equations has infinitely many solutions.

### Choices

Choice (4) Response

a.

b.

c.

d.

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