NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 145 - 152 of 1483

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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.

Edit

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

Edit

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

Edit

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

Edit

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

Edit

Question 150

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

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

Edit

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.

Edit