WIPRO @ REC DURGAPUR 2000

WIPRO 2000(Rec Durgapur)
FULL MARKS-75 TIME-1HR.

GENERAL APTITUDE

Q1. In two system amount of heat input dq and work done by the system dw.
What
will be same for two system?
Ans. dq-dw.

Q2. In two series 16,21,26,........ and 17,21,25,....... find the sum of
first
100 terms.

Q3. In a series (3/1*1)+5/(1*!-2*2)+7/(1*1-2*2+3*3)+.............. sum of
first
n terms.

Q4. some numbers are given against each alphabet You have to find out the
word
or number corresponding to it . (2 ques..)

Q5. some condition were given . You have to find out the conclusion. (3
ques.)
.
Q6. 4 junior engg. &3 senior engg.Some conditions are given . You have to
answer
some ques. (very easy 4 ques.)

Q7. Probability problem . Ans=24/25

Q8. 7 distinct toyes . In how many ways can be given to 3 boys .
Ans. 7P3

Q9. Some questions were asked and 2 statements were given. If we get answer
from
statement 1, X a if it can be answered from statement 2, X b etc.(4
questions)

Q10. There were 10 men equally divided into 2 group. A committee of 6 men
has to
be formed taking max. 4 menfrom 1 group . In how many ways it can be formed?

Q11. 2 circles of different radius will cut each other at max. how many
points?
(2)

Q12. Direction related problem.
Ans. East.

Q13. Distance between A and B .......
Ans. 2km.

Q14. x = sin -1(t), y = f(t) [f(t)=log(1+t2)]
Find d2x/d2y at t=0.5.

Q15. Postfix to Infix and vice-versa conversion.

Q16. Integrate :
(2x+1)/(....)
Ans.(b)

Q17. Car parking ................
Ans. (c)

Q18 Diff equation problem.( 2 ques )
Ans y=x cos(x)
Ans. none of these

Q19. differentiation problem.
Ans. -8/3

Q20. chemistry questions.
(I). Non -ideal solution
Ans. water-Ethanol
(II). C %,H%,O%etc. Find empirical formula.

Q21. A speks true 70% , B speaks true 50% etc.
Ans. 0.38

Q22. In which sort, order is n logn.
Ans. Merge sort.

Q23. Venn diagram problem.
Ans. 55.
----------within ()ans, please check it
Q1. Find the sum of 100 items common to the series 17,19,21..and15,19 23
(21700)
q2,a question paper is divided into 2 groups consisting of 5 question each .
in how many ways can you ans 6 question taking not more than 4 question from
each group(850)
q3, what is the rank of the word SURITI in the dictionary(327)
q4, 3 thing can be chosen from 7 article in( 7c3ways)
q5,Lt cos(1- cosx)
xtends to 0 ----------
x rest to 4
q6,equation of the curve dy= (secx+ ytanx)dx. (x=ycosx +c)
q7 a,b,c along with others speak . what is the probality that a speak
before b and before c.(1/6)
q8, integration (2x+3)/(x^2 -x+1)^2 dx.(-1/(x^2-x+1)+..........)
q9, what is the time period of the funtion f(t)=cos(2t/pi).(pi^2 )
----------------------
q1, 2 stage air compressor the max work done in Hp CYLINDER .
q2,formula of cementite .(fe3c)
q3,find change gear for cutting 9/4mm thread with 4tpi lead screw .(45/127)
q4,the velocity of shaper is w r.p.m c is cutting ratio and lenth of shaper
is .
q5,The ratio of workdone w1/w2 for index of compression n1/n2 is
(w1/w2=n2-1/n1-1)
q6. find the B.M. at A__________________
q7. find the ammount of air reqd. to burn 1 Kg of fuel--
q8 . A&B having equal areas has temp 10 degc&20degc.what is the ratio of
their heat liberated(1.149/0.87)
q9. fin is the defect in casting due to---
q10. what is the specific speed of turbine ---
q11. find %change in speed in governor running at 1440 rpm if no load speed
is 1500 rpm--(1500-1440/1500)
-----------------------------------
BEST OF THE PERFORMANCE&LUCK.