NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 212 - 219 of 2028

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Question 212

Question

MCQ▾

The least perfect square which is divisible by 2,4, 6 is:

Choices

Choice (4)Response

a.

24

b.

28

c.

16

d.

36

Question 213

Question

MCQ▾

The factors of are:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 214

Question

MCQ▾

Which of the following is a Pythagorean triplet?

Choices

Choice (4)Response

a.

(6,7, 10)

b.

(2,4, 5)

c.

(7,24, 25)

d.

All of the above

Question 215

Question

MCQ▾

The radius of a sphere is 2.1 m. Its volume is:

Choices

Choice (4)Response

a.

38.808

b.

38.808

c.

38.808 cu m

d.

38.808 cu cm

Question 216

Question

MCQ▾

x varies inversely as square of y. Given that for . The value of x for will be equal to:

Choices

Choice (4)Response

a.

3

b.

c.

d.

Question 217

Question

MCQ▾

The frequency table shows the marks obtained by a group of students in a monthly test. Calculate the percentage of students who passed in the test if 40 is the passing mark.

Showing the Table of Number of Students with the Obtained Marks by Them
MarksNo. of students
0 - 193
20 - 397
40 - 5921
60 - 7914
80 - 995

Choices

Choice (4)Response

a.

80 %

b.

70 %

c.

65 %

d.

75 %

Question 218

Question

MCQ▾

If , then is equal to:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 219

Question

MCQ▾

Given that 729 = and 4.096 = , find the value of .

Choices

Choice (4)Response

a.

14.4

b.

14

c.

4.8

d.

27.5

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