Which of the following is used to make complementary DNA (cDNA) from RNA?

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#Question id: 12843

#General Aptitude

Triangle ABC is a right angled triangle,the radius of its circumcircle is 3cm and the length of its altitude drawn from the opposite vertex to the hypotenuse is 2 cm. Then the area of the triangle is

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#Question id: 12844

#General Aptitude

A piece of wire 132 cm. long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of

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#Question id: 12845

#General Aptitude

The perimeter of a rhombus is 240 metre and the distance between any two parallel sides is 20 metre. The area of the rhombus in square metre is

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#Question id: 12846

#General Aptitude

O is the centre of the circle and <AOB = 150°, and the shaded portion is x part of the circular region, then x = ?

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#Question id: 12847

#General Aptitude

Diagonals of a Trapezium ABCD with AB || CD intersect each other at the point O. If AB = 2CD, then the ratio of the areas of  Triangle AOB and  triangle COD is

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#Question id: 12848

#General Aptitude

D and E are points on the sides AB and AC respectively of DABC such that DE is parallel to BC and AD : DB = 4 : 5, CD and BE intersect each other at F. Then find the ratio of the areas of DDEF and DCBF.