trail

INFOSYS PLACEMENT PAPER ON 10 th SEPTEMBER 2006 AT GTAM COLLEGE VIZAG Q1). x^1/3 - x^1/9 = 60 . find the value of X. (3 marks) Ans : write x^1/3 as x^1/9. x^1/9. x^1/9 Now x^1/9(x^2/9 - 1) =60 Now use trial and error method. Then x= 4^9 Q2). There are A, B, C, D, E, F students they speak one are more than one of english, itali, french, Spanish, portueges;
B, C speak English. But after D joins they have Spanish as the common language
Spanish is most common language
A, B, E have French as common language
C, E has Italian as common language
3 speak portueges
Out of all 1=all speaks 5 Langs, 1= speaks 4 Langs, 1= speaks 3
Langs, 1= speaks 2 Langs,1= speaks 1 language? (8 marks)

then 4 questions were asked based on above data like
1) A knows which languages? 4 options were given (one can easily get the answer from the above data and given options)

2) B knows how many languages
a) English, French
b)English, French Spanish
c)English, French, Spanish Italian
d)English, French, Spanish, Italian,Portugese 3) C can’t speak which language (4 options were given) 4) E can speak which languages (4 options were given)

Q3) same old cubes problem (8 marks)
A cube has its 6 faces painted red. It is cut by 6 straight lines into 27 smaller cubes.
Find how many smaller cubes are there having: (i) 3 faces painted red. (ans : 8 ) (ii) 2faces painted red. (ans : 12 )

(iii) 1 face painted red. (ans : 6 ) (iv) 0 faces painted red (ans :1 )

Q4) There was a cycle race going on. 1/5th of the those in front of a person and 5/6th of those behind him gives the total number of participants. How many people took part in the race? (3 marks) Ans : 31 (5 marks)

Approach:
Let the total number of