2012 II Questions and Answers

2012 II QUESTIONS AND ANSWERS :: part8 : 11 to 15

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. :

11.If tan Ɵ =a/b,then a sin Ɵ + b cos Ɵ/a sin Ɵ-b cos Ɵ is

a²/a²+b²

b²/a²+b²

a²-b²/a²+b²

a²+b²/a²-b²

12.Value of 2 (sin⁶Ɵ + cos⁶Ɵ )-3(sin⁴Ɵ + cos⁴Ɵ )+1 is

13.A man is climbing a ladder which is inclined to the wall at an angle of 30 .If he ascends at a rate of 2 m/s ,then he approaches the wall at the rate of

1.5 m/s

1 m/s

2 m/s

2.5 m/s

14.sin(45+ϴ)-cos(45-ϴ)is

2 sin ϴ

2 cos ϴ