Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 914 - 918 of 1201

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Passage

The bar graph given below shows the foreign exchange reserves of a country (in billion US$) from 2007 - 08 to 2014 - 2015. Answer the questions based on this graph.

Created with Highcharts 5.0. 7YearsForeign Exchange Reserves of a Country (in billion US$) Years Vs. Foreign Exchange Reserves of a Country6606609309306306308408407807801 0801 0801 2601 260780780Exchange Reserves of a Country2007 - 082008 - 092009 - 102010 - 112011 - 122012 - 132013 - 142014 - 20150500100015002007 - 08Exchange Reserves of a Country: 660

Question 914 (3 of 5 Based on Passage)

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Question

MCQ▾

The foreign exchange reserves in 2007 - 2008 was how many times that in 2009 - 2010?

Choices

Choice (4)Response

a.

1.05

b.

0.5

c.

2.7

d.

1.2

Question 915 (4 of 5 Based on Passage)

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Question

MCQ▾

The ratio of the number of years, in which the foreign exchange reserves are below the average reserves, to those in which the reserves are above the average reserves is:

Choices

Choice (4)Response

a.

5: 4

b.

3: 5

c.

2: 3

d.

5: 3

Question 916 (5 of 5 Based on Passage)

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Question

MCQ▾

What was the percentage increase in the foreign exchange reserves in 2013 - 2014 over 2009 - 2010?

Choices

Choice (4)Response

a.

220%

b.

70%

c.

100%

d.

110%

Question 917

Mathematics
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Question

MCQ▾

A man bought a rectangular plot of 64 m length and 49 m width. In exchange for this field he wanted to buy a square garden of the same area. Then the side of the square field would be:

Choices

Choice (4)Response

a.

82 m

b.

56 m

c.

216 m

d.

148 m

Question 918

Mathematics
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Question

MCQ▾

In the figure below, BCDE is a square inscribed in a circle with center A and radius r. The total area of shaded region is:

Quadrilateral poly1Quadrilateral poly1: Polygon B, C, D, ECircle cCircle c: Circle through B with center ASegment bSegment b: Segment [B, C] of Quadrilateral poly1Segment c_1Segment c_1: Segment [C, D] of Quadrilateral poly1Segment dSegment d: Segment [D, E] of Quadrilateral poly1Segment eSegment e: Segment [E, B] of Quadrilateral poly1Segment fSegment f: Segment [C, E] Point AA = (0.12,2.68) Point AA = (0.12,2.68) Point AA = (0.12,2.68) Point BB = (1.74,0.92) Point BB = (1.74,0.92) Point BB = (1.74,0.92) Point CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint EPoint E: Point on cPoint EPoint E: Point on cPoint EPoint E: Point on crtext1 = “r”

Image of a Square BCDE Inscribed in a Circle

Choices

Choice (4)Response

a.

b.

c.

d.