Wipro Aptitude Paper - 1

In the below compounds which one has 40% C ,6.7% H and 53.3 % O what is its emphericaln formula

X rays are coming from X ray tube, the wavelength is _______ a certain wavelength/s

In a triode valve in order to increase the saturation current what has to be done

Seven different toys are distributed among 3 children how many different ways are possible?

A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability.

If dy = (secx + ytanx)dx, Then the curve is

Two series are 16,21,26.... and 17,21,25.....What is the sum of first hundred common numbers

There are two sections in a question paper each contain five questions. A students has to answer 6 questions. Maximum no. of questions that can be answered from any section is 4. How many ways he can attempt the paper?

a and b are two numbers selected randomly from 1,2,3.... 25 what is the probability of a and b are not equal.

The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to?

Two circles of different radii intersects each other what is the maximum no of intersections

If x= sin-1(t), y = log(1-t2), find d2y/dx2 when t=1/2

If x approaches infinity , then (??dx )/(??dx) is ?

If f(x)=1-cos(1-cosx)/x4 is continuos at f(0) then what is x

For the word SURITI, if you arrange the letters in dictionary order then what is its rank?

Period of sin ((2t + 3) / 6 pi)

Which of the following exchanges positive ions