NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 415 - 420 of 2028

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Question number: 415

» Mathematics » Visualizing Solid Shapes

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MCQ▾

Question

If and , then the value of E is (Use Euler’s formula):

Choices

Choice (4) Response

a.

6

b.

9

c.

11

d.

3

Question number: 416

» Mathematics » Exponents and Powers

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MCQ▾

Question

If then x: y = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 417

» Mathematics » Direct and Inverse Proportions

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MCQ▾

Question

If the cost of 45 bags of paddy is Rs. 36,000, then cost of 32 bags of paddy is:

Choices

Choice (4) Response

a.

26,000 Rs.

b.

Rs.

c.

26,500 Rs.

d.

25,600 Rs.

Question number: 418

» Mathematics » Cube and Cube Roots

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MCQ▾

Question

The smallest number by which 3087 must be multiplied so that the product is a perfect cube is:

Choices

Choice (4) Response

a.

21

b.

3

c.

7

d.

9

Question number: 419

» Mathematics » Comparing Quantities

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MCQ▾

Question

Divide by .

Choices

Choice (4) Response

a.

7p

b.

-7p

c.

7mnp

d.

None of the above

Question number: 420

» Mathematics » Data Handling

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MCQ▾

Question

The pie chart diagram shows the number of contestants from four countries A, B, C and D taking part in a tennis tournament. Given that there are 16 contestants from country D, find the number of contestants from country C.

Circle c Circle c: Circle through B with center A Sector d Sector d: CircularSector [A, C, D] Sector d Sector d: CircularSector [A, C, D] Sector e Sector e: CircularSector [A, D, E] Sector e Sector e: CircularSector [A, D, E] Sector f Sector f: CircularSector [A, E, F] Sector f Sector f: CircularSector [A, E, F] Sector g Sector g: CircularSector [A, F, C] Sector g Sector g: CircularSector [A, F, C] Arc h Arc h: Semicircle through J and K Arc k Arc k: Semicircle through K and L Arc p Arc p: Semicircle through L and M Segment h_1 Segment h_1: Segment [G_1, H_1] Segment i_1 Segment i_1: Segment [G_1, I_1] 100â° text1 = “100â°” 4xâ° text1_1 = “4xâ°” 2xâ° text1_2 = “2xâ°” 80â° text1_3 = “80â°” A text1_4 = “A” B text1_5 = “B” C text1_6 = “C” D text1_7 = “D”

A Pie Chart Diagram Shows Contestants from Four Countries

The pie chart diagram shows contestants from four countries A, B, C and D taking part in a tennis tournament

Choices

Choice (4) Response

a.

12

b.

24

c.

42

d.

84

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