NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1210 - 1213 of 1732

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Question number: 1210

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4)Response

a.

125

b.

c.

5

d.

Question number: 1211

» Mathematics » Lines and Angles

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Question

In the adjoining figure, ABC is a triangle in which D and E are the mid points of AB and AC respectively. If DE = 2.4 cm then BC = ________.

Triangle poly1Triangle poly1: Polygon A, B, CSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [D, E] Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint EPoint E: Point on bPoint EPoint E: Point on bPoint EPoint E: Point on b2.4 cmtext1 = “2.4 cm”

Image of a Triangle ABC with Given Length of DE

Choices

Choice (4)Response

a.

4.8 cm

b.

2.8 cm

c.

6.8 cm

d.

4.0 cm

Question number: 1212

» Mathematics » Exponents and Powers

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MCQ▾

Question

Express 0.00075 in scientific notation.

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 1213

» Mathematics » Comparing Quantities

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MCQ▾

Question

When the price of a pressure cooker was increased by 15%, the sale of pressure cooker decreased by 15%. What was the net effect on the sales?

Choices

Choice (4)Response

a.

No effect

b.

15 % increase

c.

2.25 % increase

d.

2.25 % decrease

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