2012 I 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 x=√a+1/√a,y=√a-1/√a,then the value of x⁴+y⁴-2x²y² is |
| 16 |
| 20 |
| 10 |
| 5 |
2.If a+b+c=8,then the value of (a-4)³+(b-3)³+(c-1)³-3(a-4)(b-3)(c-1) is |
| 2 |
| 4 |
| 1 |
| 0 |
3.The area(in sq.unit) of the triangle formed by the three graphs of the equations x=4,y=3 and 3x+4y=12, is |
| 12 |
| 10 |
| 6 |
| 8 |
4.If x=997,y=998,z=999,then the value of x²+y²+z²-xy-yz-zx will be |
| 3 |
| 9 |
| 16 |
| 4 |
5.If x=4ab/a+b,then the value of x+2a/x-2a + x+2b/x-2b is |
| a |
| b |
| 0 |
| 2 |
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