W7 E.1
4.288 + 200 + 392 =……..
A.202 B.162 C.102 D.82 E.42
p times
- Simplify a×a×a……aa+a+a+⋯a
p terms
A.ap-1p B.pap2 C.app-2 D.p2 E.1 - The value of 2-1-1-1is
A.2 B.-2 C.-12 D.14 E.12
7.532532 =…….
A.1 B.0 C.25 D.125 E.625
8.-1-1 +-10 =……….
A. 2 B.1 C.0 D. -1 E.-2 - Which of the following is (are) false?
1.a+b2 =a2 +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 - 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.12 E. None of above
15.(-4)-1+(-1)-4=……….
A. -2 B.-4 C.34 D.-34 E.-114 - 0.2-2 =……..
A. 0.4 B.0.004 C.4 D.5 E.125 - Which of the following is (are) true?
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