NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 181 - 187 of 1484

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Question number: 181

» Mathematics » Pair of Linear Equations in Two Variables

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Question

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 number: 182

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The solution of the system of equations and is

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Choice (4) Response

a.

b.

c.

d.

Question number: 183

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The sum of salaries of A and B are Rs. 2100. A spends 80 % of his salary and B spends 70%. If their savings are now in the proportion of 4: 3, what is the salary of A?

Choices

Choice (4) Response

a.

1200

b.

1400

c.

1600

d.

1800

Question number: 184

» Mathematics » Polynomials

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Question

How much is more than ?

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Choice (4) Response

a.

8ab

b.

c.

16ab

d.

Question number: 185

» Mathematics » Surface Area and Volumes

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The ratio of base radius and height of a cone is 5: 12. If the cost of smoothening the CSA at is 200.20 Rs. Then volume of liquid is ________.

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Choice (4) Response

a.

b.

c.

d.

Question number: 186

» Mathematics » Polynomials

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Question

Which of the following expression is a rational expression?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 187

» Mathematics » Polynomials

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If P (x) = , Q (x) = and their HCF is then LCM of P (x) and Q (x) is

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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