2012 I QUESTIONS AND ANSWERS :: part9 : 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.The radius of the circumference of the triangle made by x-axis,y-axis and 4x+3y=12 is |
| 2 unit |
| 2.5 unit |
| 3 unit |
| 4 unit |
12.If a,b,c are real and a³+b³+c³=3abc and a+b+c≠0,then the relation between a,b,c will be |
| a+b=c |
| a+c=b |
| a=b=c |
| b+c=a |
13.If a+b+c=0,then the value of (a²/bc+b²/ca+c²/ab) is |
| 2 |
| 3 |
| 4 |
| 5 |
14.If x=3+2 √2 ,then the value of √x-1/x is |
| ±2√2 |
| ±2 |
| ±√2 |
| ±1/2 |
15.#Q If 5a+1/3a=5,then the value of 9a²+1/25a² is #Q If 5a+1/3a=5,then the value of 9a²+1/25a² is |
| 51/5 |
| 29/5 |
| 52/5 |
| 39/5 |
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