List of top Questions asked in BITSAT- 2009

Which of the following compound cannot be used in preparation of iodoform?
Which of the following compound is obtained by heating ammonium cyanate?
Which of the following statements about vitamin B₁₂ is incorrect?
Ammonia forms the complex ion [Cu(NH₃)₄]²⁺ with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?
An aqueous solution of a substance gives a white precipitate on treatment with dil. HCl which dissolves on heating. When H₂S is passed through the hot acidic solution, a black precipitate is obtained. The substance is a:
The one which is least basic is:
If A=1,2,3,4,5 then the number of proper subsets of A is:
The range of the function f(x)=x²-x+1x²+x+1, where xR, is:
If y=2α1+α+α, then the value of 1-α+α1+α is:
The period of θ+\sin2θθ+\cos2θ is:
The 100\textsuperscriptth term of the sequence 1,2,2,3,3,3,4,4,4,4, is:
The general solution of 8²(x)/(2)=1+ x is:
10ⁿ+3(4ⁿ⁺²)+5 is divisible by (nN):
If the expression x²-11x+a and ax²-14x+2a must have a common factor, then the common factor is:
If f(t)=1-t1+t, then f'(1) is equal to:
If the function f:(-∞,∞)→ B defined by f(x)=-x²+6x-8 is bijective, then B=
Given below is a frequency distribution with median 46. In this distribution, some of the frequencies are missing. Determine the missing frequencies. |c|c|c|c|c|c|c|c| Marks & 10--20 & 20--30 & 30--40 & 40--50 & 50--60 & 60--70 & 70--80
No. of students & 12 & 30 & x & 65 & y & 25 & 18
Total number of students = 229
If A and B are 2×2 matrices, which of the following is true?
The digits A,B,C are such that the three-digit numbers A88, 6B8, 86C are divisible by 72. Then the determinant vmatrix A & 6 & 8
8 & B & 6
8 & 8 & C vmatrix is divisible by
If M(α)= bmatrix α & -α & 0
α & α & 0
0 & 0 & 1 bmatrix, M(β)= bmatrix β & 0 & β
0 & 1 & 0
-β & 0 & β bmatrix then [M(α)M(β)]^-1 is equal to
If y=e⁻ˣ x and y+k y'=0, where y₄=d⁴ydx⁴, then k=
The set of points of discontinuity of the function f(x)=(1)/(|x||x|) is
Evaluate: x⁻¹xdx
Evaluate ₀¹ dx√(2-x²)
If ₀ⁿ [x]dx = 66, then n=