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Zycus Placement Paper 2011:1. 2 persons start from a point & go in opposite directions. directions. After going 3km each, they turn left & walk 4 km. How far are they now from each other? Ans : 10 km (Pythagoras theorem) 2. In an objective test, a correct answer scores 4 marks, and a wrong answer scores 2 marks. A student scores 480 marks from 150 questions. how many answers are correct? Answer: 120 3. With which smallest no should 2880 be divided by, to make it a perfect square. Ans: 20 4. Which common no. should be added or substracted to 17/24 to make it 1/2. Ans : -10 5. If each side of a rectangle is increased by 100%, by wat % the a rea increases? Ans: 100%
6. Father is 30 years older than the son. He will only be thrice as old as his son after 5 years. F athe present age?
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Useful Not useful Cancel anytime. 7. If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discou Special offer for students: Only $4.99/month. then wat % profit they make?(3 marks)
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options: 1) ba 3) b=a 4) b>=a
11.list all bad coding practices in the following code snippet try{ for(int i=0;oldCode.size();i++){ String insertIntoMappingtbl="insert into schemaptbl '' + " values(?,?,?,?,?,?)"; pstmtMappingTbl=con.prepareStatement(insertIntoMap pingTbl ); pstmtMappingTbl.setObject(1,oldCode.get(i)); pstmtMappingTbl.setObject(2,oldId.get(i)); pstmtMappingTbl.setObject(3,newCode.get(i)); pstmtMappingTbl.setObject(4,newId.get(i)); pstmtMappingTbl.setObject(5,sub.get(i)); pstmtMappingTbl.setObject(6,subid.get(i)); pstmtMappingTbl.executeQuery(); } } catch(Exception e){} finally{return success;} 12.
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You attempt to query the database with this command Unlock full access with a free trial. SELECT name,salary FROM employee WHERE salary={SELECT salary FROM employee Where Lastname = 'Wagner' or dept no =233) choose most appropriate option from Download following: With Free Trial A.sub queries are not allowed in the where clause B.logical aparatous are not allowed in where clause . c.a multiple row sub query used with asingle row comparision operator. D. A single row query is used with a multiple row comparisin operator.
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c1 count (c1)
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16. Give two integer arrays A & B.A has n elements and B has ' n-1 ' elements . A has all the elements that are there in B. But B has one missing element. Write a function that takes arrays , A B as imnput and finds the missing element in most optised manner . 17. Write a programm to delete a node from Linked list . You cannot use any of the Existing collection classes available in JAVA . you have to create ur own Linked List .
18. U have an array of +ve integers arranged in the descending order . Write a functionb thast take integer & an integer array as an integer and returns the position of the given integer in the array , if the integer is not present in the array it should return -1 . the serching technique that u use should b very efficient both in terms of time & memory.
19. If u were to create following components , what API will u expose ? U can use class/block diagram expose internals of component . . Chart component that can render various types of charts , such as pie , bar , line ...spell checker component 20. draw class / object diagram of one of the following .... ATM .....RailwayReservation
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