1. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 1
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CLASS
XI
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Composed by Engin Baştürk FEDERAL BOARD
TYPE Objective Past Papers Year 2011
Q1: Multiplicative inverse of i is:
A) i B) i C) 1 D) 1
Q2: Contra positive of i is:
A) p q B) q p
C) p q D) None of these
Q3: If A is a matrix of order m n and B is a matrix
of order n p , the order of AB will be:
A) p m B) p n
C) m p D) None of these
Q4: When polynomial 3 2
4 2 5x x x   is divided by
1x  , the remainder is:
A) 6 B) 4 C) 8 D) 0
Q5: Partial fractions of
 
1
1x x 
are:
A)
1 1
1x x


B)
1 1
1x x


C)
1 2
1x x


D)
1 2
1x x


Q6: For what value of n , 1 1
n n
n n
a b
a b 


is the positive
geometric mean between a and b ?
A) 1n   B) 1 C)
1
2
D) 0
Q7: Factorial form of
   1 1
3.2.1
n n n 
is:
A)
 1 !
3!.2!
n 
B)
 
 
1 !
3! 2 !
n
n


C)
 
!
3! 2 !
n
n 
D) None of these
Q8: The sum of coefficients in the Binomial expansion
is equal to:
A) 2n
B) 2 1n
 C) 2n D) 0
Q9: 54 45 is ....... radians
A) 0.958 B) 0.0175 C) 0.65 D) None of
these
Q10: For two mutually exclusive events A and B , we
have:
A) A B   B) A B  
C) A B A B   D) None of these

2. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2
Q11: What is the middle term in the expansion of
 
n
a b for even values of n ?
A)
1
2
n 
B)
3
2
n 
C)
2
n
D) 1
2
n

Q12: Period of 3cos
5
x
is:
A) 10 B) 2
C)  D) None of these
Q13: sin2 ? 
A)
2
2
1 tan
1 tan




B) 2
2tan
1 tan


C) 2
2tan
1 tan


D) None of these
Q14: The value of C in the given triangle is:
A) 4 2 B) 16
C) 8 2 D) None of these
Q15: Hero's Formula is used to calculate:
A) Area of triangle B) Sides of triangle
C) Angles of triangle D) None of these
Q16: 1
2tan ?A

A) 1
2
tan
1
A
A


B)
2
1
tan
1
A
A


C) 1
2
2
tan
1
A
A


D) None of these
Q17: Solution set of equation 1 cos 0x  is:
A)  n  B)  2 n 
C)  2n  D)
3
2
n


 
 
 
Q18: Harmonic Mean between a and b is:
A)
2ab
a b
B)
2
a b
C)
2
a b
ab

D) ab
Q19: If  and  are the roots of 2
0ax bx c   , then
2 2
  is:
A)
b
a

B)
2
2
2b ac
a

C)
2
2
4b ac
a

D) None of these
Q20: A bijective function is:
A) Both one-one and onto B) One-one but not onto
C) Onto, but not one-one D) Neither one-one nor onto
Answer Key
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20