NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 162 - 170 of 1484

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Question 162

Question

MCQ▾

Which of the following system of equations has no solution?

Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

Question 163

Question

MCQ▾

Which of the following system of equations has unique solution?

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 164

Question

MCQ▾

The coordinates of the points where the line meet the

Choices

Choice (4)Response

a.

b.

c.

d.

Question 165

Question

MCQ▾

The sum of digits of a two digit number is 8. If the digits are reversed, the number is decreased by 54. Find the number.

Choices

Choice (4)Response

a.

30

b.

71

c.

62

d.

80

Question 166

Question

MCQ▾

The LCM of two numbers is 160 and HCF is 4. If the sum of the number is 56, their difference is,

Choices

Choice (4)Response

a.

54

b.

97

c.

27

d.

45

Question 167

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 168

Question

MCQ▾

Which of the following system of equations has no solution?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 169

Question

MCQ▾

In , if then is________

Choices

Choice (4)Response

a.

120°

b.

180°

c.

100°

d.

150°

Question 170

Question

MCQ▾

If the ratio of workers to machines in a factory is W and the ratio of machines to workers is M, then W + M is,

Choices

Choice (4)Response

a.

Less than 1

b.

Greater than 1

c.

Greater than or equal to 1

d.

Equals to 1

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