﻿ Refer the below data table and answer following question. Company 2011 2012 2013 2014 2015 Company A 4000 3000 3000 1000 2000 Company B 1000 1000 1000 5000 4000 Company C 1000 1000 4000 2000 1000 For which of the following pairs of years the total exports from the three companies together are equal?(Note: Figures given are in ₹ lakh) from Class 12 SSCCHSL Previous Year Board Papers | Quantitative Aptitude 2017 Solved Board Papers

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Quantitative Aptitude

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# SSCCHSL Class 12 Quantitative Aptitude Solved Question Paper 2017

#### Multiple Choice Questions

21.

To travel 816 km, an Express train takes 9 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 4 hours less than Rajdhani. What is the speed of Rajdhani?

• 48 km/h

• 62.8 km/h

• 33.2 km/h

• 77.5 km/h

A.

48 km/h

Let the speed of Rajdhani  = x km/hr
Speed of Express Train = y km/hr
According to the question,

Solving (i) and (ii), we get,
x = 48 km/hr.

# 22.Refer the below data table and answer following question. Company 2011 2012 2013 2014 2015 Company A 4000 3000 3000 1000 2000 Company B 1000 1000 1000 5000 4000 Company C 1000 1000 4000 2000 1000 For which of the following pairs of years the total exports from the three companies together are equal?(Note: Figures given are in ₹ lakh)2013 and 2014 2013 and 2015 2011 and 2012 2014 and 2015

A.

2013 and 2014

Total exports in 2013 for all companies together = 3000 + 1000 + 4000 = 8000
Total exports in 2014 for all companies together = 1000 + 5000 + 2000 = 8000
Thus, total exports for all companies together are equal in 2013 and 2014.

23.

If the radius of a circle is increased by 27%, then its area will increase by

• 61.29%

• 54%

• 27%

• 30.645%

A.

61.29%

Shortcut Method:

24.

What would be the equation of the line, which intercepts x-axis at -5 and perpendicular to the line y = 2x - 3?

• x - 2y = -5

• x + 2y = 5

• x + 2y = -5

• x - 2y = 5

C.

x + 2y = -5

25.

The base angle of an isosceles trapezium is 45°. If the shorter side and both the equal sides are 10 cm each, what is the area of the trapezium?

A.

In Δ ADE,

Similarly,

Now again in Δ ADE,

Now,
Area of trapezium  = 1/2 x (sum of parallel sides) x height
= 1/2 x (CD + AB) x DE