Msep cet

Qis
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

1. 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
2. If (0.2)x=125 , then x=………
   A. -3 B.0 C.3 D.4 E.5
3. 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
4. 0.2−2 =……..
   A. 0.4 B.0.004 C.4 D.5 E.125
5. 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
6. 𝑦𝑦𝑦 =…….
   A. 𝑦12 B. 𝑦32 C.𝑦54 D.𝑦58 E.𝑦78
7. 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.100010
   21.(0.1)3+ 0.000004 =……….
   A.0.3 B.0.2001 C.0.1002 D.0.021 E.0.003
8. If x=5 + 2 and y= 5 - 2 ,then x2+y3=……….
   A.1 B.9 C.18 D.45 E.85
9. 5x+5x+1=150. then x=………..
   A.2 B.1 C.0 D.-1 E. -2
10. If 7+3𝑥 = 𝑥7+3 , then x=……….
    A. 2 B.-2 C.4 D.-4 E. 2 or -2
11. 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
12. 23𝑥= 18 , then x=……..
    A.-2 B.-3 C.2 D.-6 E.6
13. 𝑥+𝑦𝑥−1+ 𝑦−1 =………..