((a^2+b^2 )^2 (a+b))/(a-b)^2 =………….
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. 1/2 D. -1/2 E.-2
- If (0.2)x=125 , then x=………
A. -3 B.0 C.3 D.4 E.5 - 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.1/2 E. None of above
15.(-4)-1+(-1)-4=……….
A. -2 B.-4 C.3/4 D.-3/4 E.-1 1/4 - √((0.2)^(-2) ) =……..
A. 0.4 B.0.004 C.4 D.5 E.1/25 - Which of the following is (are) true?
- 2100<1525 2.6100-1 is divisible by 5 3. 3^(1/2)<5^(1/3)
A.1 only B. 2only C. 3 only D. 1 and 2 only E.1 and 3 only
- 2100<1525 2.6100-1 is divisible by 5 3. 3^(1/2)<5^(1/3)
- √(y√(y√y) ) =…….
A. y^(1/2) B. y^(3/2) C.y^(5/4) D.y^(5/8) E.y^(7/8) - 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.10√10 B.100 C.100 √10 D.1000 E.1000√10
21.(0.1)3+ √0.000004 =……….
A.0.3 B.0.2001 C.0.1002 D.0.021 E.0.003 - If x=√5 + 2 and y= √(5 )- 2 ,then x2+y3=……….
A.1 B.9 C.18 D.4√5 E.8√5 - 5x+5x+1=150. then x=………..
A.2 B.1 C.0 D.-1 E. -2 - If (√7+√3)/x = x/(√7+√3) , then x=……….
A. 2 B.-2 C.4 D.-4 E. 2 or -2 - If √2 =1.41 and √3 =1.73 , then the value of √8 +√12 =……..
A. 2.82 B.3.14 C.4.28 D.6.28 E.3.46 - (√2)^3x= 1/8 , then x=……..
A.-2 B.-3 C.2 D.-6 E.6
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