NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 145 - 152 of 1484

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Question 145

Question

MCQ▾

If x, y and are not zero, then equals to,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 146

Question

MCQ▾

The age of a woman is three times the age of her daughter. Five years hence, the age of woman will be two times the age of her daughter. The present age of daughter is,

Choices

Choice (4)Response

a.

4

b.

6

c.

3

d.

5

Question 147

Question

MCQ▾

A toy train crosses 210 m and 122m long tunnels in 25 and 17 seconds respectively. The length of the train is.

Choices

Choice (4)Response

a.

332m

b.

88m

c.

65m

d.

11m

Question 148

Question

MCQ▾

The LCM of two numbers is 630 and HCF is 9. If the sum of the number is 153, their difference is,

Choices

Choice (4)Response

a.

27

b.

56

c.

45

d.

97

Question 149

Question

MCQ▾

The primes p, q and r satisfy where “r” is an even number, then p equals:

Choices

Choice (4)Response

a.

2

b.

6

c.

8

d.

4

Question 150

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 151

Question

MCQ▾

Which of the following system of equations is consistent?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 152

Question

MCQ▾

For what values of a and b will the equations represent coincident lines?

Choices

Choice (4)Response

a.

b.

c.

d.

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