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

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

23.

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

• 61.29%

• 54%

• 27%

• 30.645%

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?

Refer the below data table and answer following question.

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