Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 190 - 199 of 1201

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Question 190

Question MCQ▾

If 225K is a perfect cube, then the value of K is:

Choices

Choice (4)Response

a.

3

b.

5

c.

15

d.

14

Edit

Question 191

Question MCQ▾

Simplify

Choices

Choice (4)Response

a.

b.

6

c.

5

d.

Edit

Question 192

Question MCQ▾

The ratio of third proportional to 24 and 60 and the mean proportional between 18 and 50 is:

Choices

Choice (4)Response

a.

3: 2

b.

1: 5

c.

5: 3

d.

5: 1

Edit

Question 193

Question MCQ▾

The value of is:

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Edit

Question 194

Question MCQ▾

If , the least value of ‘a’ is:

Choices

Choice (4)Response

a.

6

b.

3

c.

9

d.

Question does not provide sufficient data or is vague

Edit

Question 195

Question MCQ▾

If and , then the value of is:

Choices

Choice (4)Response

a.

30

b.

28

c.

11

d.

35

Edit

Question 196

Question MCQ▾

The cube of a number is 64 times the cube of another number. If the sum of the cubes of numbers is 8125, the difference of the numbers is:

Choices

Choice (4)Response

a.

15

b.

20

c.

12

d.

5

Edit

Question 197

Question MCQ▾

The value of is:

Choices

Choice (4)Response

a.

235

b.

208

c.

178

d.

None of the above

Edit

Question 198

Question MCQ▾

The value of is:

Choices

Choice (4)Response

a.

b.

10000

c.

100000

d.

1000

Edit

Question 199

Question MCQ▾

The least number of 4 digits which is a perfect square is:

Choices

Choice (4)Response

a.

1004

b.

1016

c.

1000

d.

1024

Edit