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

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Question number: 1

» Mathematics » Linear Equations in One Variable

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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

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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

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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:

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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

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Question

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

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Choice (4) Response

a.

360

b.

300

c.

420

d.

280

Question number: 5

» Mathematics » Linear Equations in One Variable

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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

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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

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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

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