# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 122 - 128 of 1484

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## Question number: 122

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MCQ▾

### Question

For what value of p does the system of equations, has non zero solution?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 123

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MCQ▾

### Question

3 men and 6 boys can finish a piece of work in 3 days, while 2 men and 5 boys can finish it in 4 days. Them time taken by one boy alone to finish the work is, ——

### Choices

Choice (4) Response

a.

36 days

b.

12 days

c.

48 days

d.

None of the above

## Question number: 124

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MCQ▾

### Question

Two numbers are such that their difference, their sum and their product are to one another as 1: 7: 24. The product of two number is

### Choices

Choice (4) Response

a.

96

b.

24

c.

48

d.

12

## Question number: 125

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MCQ▾

### Question

Divide 62 into two parts such that fourth part of the first and two-fifth part of the second are in the ratio 2: 3.

### Choices

Choice (4) Response

a.

16,46

b.

40,22

c.

32,30

d.

24,38

## Question number: 126

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MCQ▾

### Question

The solution of the system of the equation given by

is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 127

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MCQ▾

### Question

The sum of digits of a two digit number is 12. If the digits are reversed, the number is decreased by 36. Find the number.

### Choices

Choice (4) Response

a.

84

b.

48

c.

34

d.

30

## Question number: 128

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MCQ▾

### Question

If then the values of are

### Choices

Choice (4) Response

a.

b.

c.

d.

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