Maeng s

[laynge88]

b2 2.a+b =a +b 3.(ab)2 =a2b2
A.1 only B. 2only C. 3 only D. 1 and 2 only E. None of these
10.a2+b22a+ba-b2 =………….
A.(a+b)3 B.(a-b)3 C.(a-b)(a+b) D.(a-b)2 (a+b) E.(a-b)(a+b)3
11.If 152x+1=1 ,then x=……….
A. -1 B. 0 C. 12 D. -12 E.-2

1. If (0.2)x=125 , then x=………
   A. -3 B.0 C.3 D.4 E.5
2. If 4x+1=8x, then x=……..
   A. -3 B.-2 C.-1 D.1 E.2
   14.If 3x+1=8x+1, then x=……….
   A.0 B. -1 C.1 D.12 E. None of above
   15.(-4)-1+(-1)-4=……….
   A. -2 B.-4 C.34 D.-34 E.-114
3. 0.2-2 =……..
   A. 0.4 B.0.004 C.4 D.5 E.125
4. Which of the following is (are) true?
   1. 2100<1525 2.6100-1 is divisible by 5 3. 312<513
      A.1 only B. 2only C. 3 only D. 1 and 2 only E.1 and 3 only
5. yyy =…….
   A. y12 B. y32 C.y54 D.y58 E.y78
6. x-2+y-2=……..
   A.(x+y)-2 B. (xy)-2 C. (x2+y2)(xy)-2 D.x2+y2 E. (xy)(x+y)-2
   20.If x4 =10, what is x6?
   A.1010 B.100 C.100 10 D.1000 E.1000

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