2012 II Questions and Answers

2012 II QUESTIONS AND ANSWERS :: part8 : 1 to 5

Following Multiple choice objective type questions and answers will help you as a free online coaching for your TRB SSC CGL written exam preparation for 2017. These are useful study materials collected from previous year question papers. :

1.If G be the centroid of ΔABC and the area of GBD is 6 sq.cm,where D is the mid-point of side BC,then the area of ABC is

18 sq.cm

12 sq.cm

24 sq.cm

36 sq.cm

2.The radius of a circle is 6 cm.An external point is at a distance of 10 cm from the centre.Then the length of the tangent drawn to the circle from the external point upto the point of contact is

8 cm

10 cm

12 cm

6 cm

3.If a straight line L makes an angle ϴ with positive direction of x-axis ,then the acute angle made by a straight line L,perpendicular to L₁,with y-axis is

π/2+ ϴ

π/2- ϴ

π+ϴ

π-ϴ

4.ABC is a triangle with Α͞C =B͞C and ∠ABC=50° .The side B͞C is produced to D so that B͞C=C͞D,BAD is

50°

45°

75°

90°

5.If x+1/x=3,the value of x⁵+1/x⁵ is

122

118