TCS Papers: Sample Questions 131 - 133 of 502

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Question number: 131

» Aptitude

Short Answer Question▾

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I lost Rs. 68 in two races. My second race loss is Rs. 6 more than the first race. My friend lost Rs. 4 more than me in the second race. What is the amount lost by my friend in the second race?

Explanation

  • In two races I lost 68 Rs.
  • Let in first race I lost x Rs. and in second race I will lose Rs. as it is given that I lose 6 Rs. more in second race compared to first race.

  • I lost 31 Rs. in first race and Rs. in second race.
  • My friend lost 4 Rs. more than me in second race and we are asked to find this amount.
  • So, my friend will lose Rs. in second race.

Question number: 132

» Aptitude

Short Answer Question▾

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In a class there are 60 % of girls of which 25 % poor. What is the probability that a poor girl is selected is leader?

Explanation

  • Assume total number of students in the class = 100
  • Then Girls
  • Poor girls
  • We are asked to find the probability of a poor girl being selected as leader.
  • It will be,

Question number: 133

» Aptitude

Short Answer Question▾

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What is the difference between DBMS and RDBMS?

Explanation

  • The software application that enables the users to store the data is known as a database. In database architecture, there are different implementations and theories in order to store physical data. The database which stores data in the tables that have relationships with other tables in the database is called RDBMS or Relational Database Management System. However, in DBMS or Database Management System, there are no relationships among tables.
  • DBMS is defined as the software program that is used to manage all the databases that are stored on the network or system hard disk. RDBMS solution is required when large amounts of data are to be stored as well as maintained. A relational data model consists of indexes, keys, foreign keys, tables and their relationships with other tables.
  • Every RDBMS is a DBMS but converse is not true.