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REC, WARANGAL by Oracle

Details of REC, WARANGAL by Oracle conducted by Oracle for job interview.
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paper having two parts.

part 1: apptitute test -30question (20min)
part 2: technical Test -30question (20min)

Part 1:

1)find the range of x*x -5x+6>0
X=3

2)if 5x*x+14*x+k=0 having two reciprocal roots find the value of k.

3&4)two sentence are given ,in between four sentence are given in change order. (like between 1 & 6 ,abcd four sentence are given 1 a b c d 6)
Find the correct order?

5)if first term of AP is 5 .16th term is 45.find the sum of first 16 terms.

6)x,y and z are odd no. not necessarly in sequence.then y=?
(1)mean of x and z is 114.
(2)mean of y and z is 113.

Ans: 115

7)ram is 27 year old then mohan.after 7 year ram age is thrice as mohan
age .find ram age?
Ans : 67/2

8)if three tapes are filling a tank of capacity of 500lit with speed of
30lit/sec,48lit/sec and 36lit/sec. Find after how long time tank will
fill?
Ans : 500/114

9)find the root of given eq x-2/(x-1)=1-2/(x-2) if possible.
Ans : x = 0

10)find the point of intersection of \
15x+9y=15
5x+3y=21

Ans : NO

11)suppose in a pot 20 cards are there label 1-20 on that. find the
probability of getting two prime.

Ans : 8/20 = 2 / 5

12)in an island three persons are there Jam ,Dam and Sam .sam having
pencil,dam having cap and Jam having book .we have find who is author
among them if.
(1)Sam says ,Jam is author but author wearing cap.
(2)Dam says ,I am author ,but author not having cap.
(3)Sam says, I am author ,but author having note book.
Find who is author?

Ans : jam

13)Jo ,Do and So are three person.
(1) So says Jo is football player, I also football player.
(2) Do says Jo is football player, I also football player.
(3) Jo says Do is football player, I also football player.
Find the football player player among them.

Ans : jo

14-16)question based analogy . like LION:CUB find the pair in given choice.

17)in a basket 3 mangos,4 apples and 4 bananas are there. Find no of ways we select randomly 3 fruit from basket?

18) if a^x=b^y=c^z and b^2=ac then find x+z/xz=?
Ans : 2/y

19)(loga)^2-(logb)^2 = ?
ans :- logab-loga/b

20)in a 60 liters of mixture of spirit and water is 7 %. in order to make water 19%,how much water should be added.(some thing like this)

21-25)A one and half page length passage will be given and 4 to 5
questions will be asked based on this passage.

26)

Technical part:-
==================
pattern: 1) pl/sql>7 quest
2) java>5 quest
3) c & pointers>9 quest
4) dbms and dfds>5 quest
5) ds>4 quest

some quest are here:-

1.what is not a c- storage class
Ans.stack

2.if dba creates one user what are the privilages the user will get?

3. which keyword is used to const in java
Ans. final

4.char *array[4]={some string}
printf(%d,&array[4]-(array));
Ans.4

5.remote object will be in the package
Ans.java.net (verity it)

6.#define sq(a) (a*a)
printf (%d,sq (3+2));
Ans.11

7.#define max 20
printf (%d, ++max);
Ans.lvalue required error

8.printf (%d,sizeof (2>3?4?:4:3?4:2));(some thing like this)
Ans.syntax error

9. what is important of free().

10.property of constructor in java program.

11.impotance of macro.

12.underfolw condition of stack.
(1)empty,2)push,3)pop,4)none)
====================

1)Which of the following is not a storage class in C?
Static
Register
Extern
Stack

2)Which of the following return statement is correct?
return, return;
return(1, 2, 3);
return(return 4);
(return 5, return 6);

3)The second argument to fopen() function is?
char
const char *
int *
FILE *

4)What is the output of the program?
#include
void main()
{
char buffer[10] = {Genesis};
printf( %d , &buffer[4]- (buffer));
}
3
4
0
Illegal pointer subtraction
4

5)If arr is an array of 5 x 5 dimension, arr[2][4] is same as
**(a+3+4)
*(a+3)+*(a+4)
**(a+3)+4
*(*(a+2)+4)


APTITUDE 30 questions

Log37
1: - = ? ( Log67 )
1 + Log32

2: log(a-b) = log a - log b; then a = ?
(b/(b2+1));

3: 3 black 7 white balls. prob of drawing 2 white balls ? (7/15)

4: In a lock of 4 rings there r five characters how
many unsuccessful attempts can be made ? (624)..

5: sqrt(6+sqrt(6+sqrt (6 + ..))))) = ? 3

6: a solution is prepared by mixing two solution with sprit 20% & 60%..In
what ration they should be mixed to get the 50% sprit in resultant solution.
(1:3)

7: X2 - (A-3)X +(A+3) = 0
for what value of A the sum of square of roots will be least ? (A=2);

8: a number of persons work daily b hours to produce c items. If d persons walks away from the group what will be the number of hours to produce c items. ? (ab/(a-d))

9: - 13 Passage

14 - 18 venn diagram.

19-22 picking based (VERBAL);

23-25 picking odd once out (words )

26: m = ax , n = ay mxny = a2(x+y) find 1/x + 1/y? (1)

27 xy - 2y - 6 =0;
x 2 x >2 ..
y is always postive.

28
The diameter of circle can be determined from
1.area.
2.circumference.
Ans either of them.

29: sum of 2 no. is 7 & product s 10 fnd larger number.

30: