# Mathematics-Linear Equations in One Variable (NSTSE (National Science Talent Search Exam- Unified Council) Class 8): Questions 1 - 7 of 46

Access detailed explanations (illustrated with images and videos) to 2028 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

## Question number: 1

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

If the angles of a triangle are in the ratio 1: 2: 3, then the difference between the greatest and smallest angles is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

is true when value of x is:

### Choices

Choice (4) Response

a.

18

b.

36

c.

12

d.

6

## Question number: 3

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

If the digit 1 is placed after a two digit number whose tens digit is ‘a’ and units digit is ‘b’, the new number is:

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 4

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

When 70 % of a number is added to 90 the result is the number again. The number is

### Choices

Choice (4) Response

a.

360

b.

300

c.

420

d.

280

## Question number: 5

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

A fraction such that if the numerator is multiplied by 3 and the denominator is reduced by 3, we get , but if the numerator is increased by 8 and the denominator is doubled, we get . Then the fraction is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 6

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

Sum of two numbers is 45 and their difference is 19. Then the numbers are:

### Choices

Choice (4) Response

a.

20,25

b.

32,13

c.

26,19

d.

31,14

## Question number: 7

» Mathematics » Linear Equations in One Variable

Edit
MCQ▾

### Question

X and Y together can do a piece of work in 12 days, which X alone can do in 15 days. In how many days can T do the same work alone?

### Choices

Choice (4) Response

a.

60 days

b.

35 days

c.

45 days

d.

30 days

Developed by: