Questions asked by Divya Bezawada

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• The coefficient of x^(-5)=?, in the binomial expansion of [((x+1)/((x^(2/3)-(x^(1/3))+1))-((x-1)/(x-(x^(1/2))]^10 , where 'x' not equal to 0,1 is:
  
• If three positive numbers a, b and c are in A.P. such that abc=8, then the minimum possible value of b is =?
  
• The value of 'k' is=?
  
• Value f a=?
  
• Which of the following compounds is most reactive to an aqueous solution of sodium carbonate ?
  
• The sum of all the real values of x satisfying the eq'n is=?
  
• The value of λ+k=?
  
• Let f be a polynomial function such that f (3x)=f '(x) ⋅ f ''(x), for all x belongs to R. Then the correct option is?
  
• The correct option among the following is?
  
• Why does ice have less density then water?
  
• Could anyone explain me the hybridization in cyclic compounds?
  
• The value of 'x' is=?
  
• The value of n=?
  
• Magnetic field=?
  
• Radius of the circle=?
  
• The relative error in 'P' =?
  
• Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ?
  
• Remainder=?
  
• Limit Value=?
  
• The answer is?
  
• Do ideal gases forms solutions even they don't have intermolecular forces? please explain.
  
• What is the max value?
  
• How to solve this?
  
• The value is=?
  
• The required point is?
  
• The value is=?
  
• The integral value=?
  
• If the arithmetic mean of two numbers, # a and b, a > b > 0,# is five times their geometric mean, then what is #(a+b)/(a-b)# equal to?
  
• If # z in C#, then what does the equation #2|z+3i|-|z-i|=0# represent?
  
• How to solve this question on a quadratic polynomial in a short period of time? The remainders from two divisions are given.
  
• If a point #P# has coordinates #(0,-2)# and #Q# is any point on the circle, #x^2+y^2 -5x-y+5=0#, then what is the maximum value of #(PQ)^2#?
  
• The value of the summation is =?
  
• How to solve this inverse function?
  
• If P : x+ay-3z+3=0 and Q : x+2y-bz+c=0 are two parallel planes such that sum of intercepts made by Q on the axes is 14 then value of (a + b + c) will be=?
  
• Can anyone explain me clearly about the energy and it's changes in Simple Pendulum? Plz!
  
• A and B are two sets such that n(A)=4and n(B)=5.If number of possible mappings defined from set A to B is 'x' and out of these 'y' mappings are one-one , then x+y will be=?
  
• What are invertible functions? plz explain.
  
• Two particles A and B of equal mass M are moving with the same speed v as shown in the figure. They collide completely inelastically and move as a single particle C. The angle θ that the path of C makes with the X-axis is given by :?
  
• Can anyone help me finding the ans?plz explain!
  
• In the following reactions, ZnO is respectively acting as a /an ?
  
• How many zero's are there in 100! (100 factorial) ? Plz explain and answer.
  
• The figure shows three circuits I, II and III which are connected to a 3V battery. If the powers dissipated by the configurations I, II and III are P 1 , P 2 and P 3 respectively, then =?
  
• For the P-V diagram given for an ideal gas, the T-P graph is=?
  
• How to solve this trigonometric equation?
  
• How to find these type of question easily, without using L-hopitals rule?
  
• A man grows into a giant such that his linear dimensions increase by a factor of 9. Assuming that his density remains same, the stress in the leg will change by a factor of ?
  
• Four holes of radius R are cut from a thin square plate of the side 4R and mass M in XY plane as shown. Then moment of inertia of the remaining portion about z-axis is=? Plz explain clearly!!
  
• A copper ball of mass 100 gm is at a temperature T. It is dropped in a copper calorimeter of mass 100 gm, filled with 170 gm of water at room temperature. Subsequently, the temperature of the system is found to be 75°C. T is given by :?
  
• What is moment of inertia? How to calculate it's value for different bodies? plz explain!!
  
• How to solve this logarithmic function?
  
• How to evaluate this logarithmic function?
  
• The value of C99 is =?