Computer Aptitude MCQ

Computer Aptitude MCQ

Computer Aptitude MCQ

Directions (Q. 1-10) : Study the following information carefully and answer the questions given below.
In a certain code, the symbol for ‘0’ is ‘@’, ‘1’ is ‘#’ and ‘2’ is ‘$’. There are no other symbols for numbers greater than ‘2’. The number/s greater than ‘2’ is/are to be written only by using the above mentioned three symbols. For e.g.
‘0’ is coded as ‘@’
‘1’ is coded as  ‘#’
‘2’ is coded as  ‘$’
‘3’ is coded as ‘#@’
‘4’ is coded as  ‘##’
‘5’ is coded as ‘#$’ and so on.
1. What is the code for ’50’?
1) #$#@
2) #@##
3) #@$$
4) #$#$
5) ##$#
2. What will be the product of ‘#@$’ and ‘#$#’ in the given coded language?
1) $#@#@
2) $@##@
3) $@##$
4) ##$@$
5) None of these
3. Which of the following number depicts ‘#@#$@’ code?
1) 70
2) 96
3) 50
4) 100
5) 120
4. What is the sum of ‘####@’ and ‘#@#@@’?
1) $#$#@
2) $###$#
3) $#$#$
4) $@#$#@
5) ##$@$#
5. What is the difference between ‘#@$$’ and ‘#$@’?
1) #$#
2) $#$
3) $@$
4) $##
5) $@@
6. Solve the equation
‘$$@@’ +  ‘$#@#’ – ‘#@#$’
1) #@#$#
2) #@$##
3) #@$#@
4) #@$##
5) #@$#$
7. Which of the following is the code for 500?
1) $@#@##
2) $@@##$
3) @#@@$$
4) $$$#@@$
5) #@#@$@
8. ‘#@@@#$#’ is written as
1) 650
2) 975
3) 865
4) 745
5) None of these
9. If ‘$$#@’ is divided by ‘#$’, What will be the resultant code?
1) ##@
2) #$@
3) $#@
4) $##
5) $$@
10. What is the sum of ‘#@@##’ and ‘#@##@’?
1) $@#$#
2) #@#$#
3) $@#@#
4) $#@#$
5) $#$#$#

Answers:

  1. 4
  2. 3
  3. 2
  4. 1
  5. 3
  6. 5
  7. 2
  8. 4
  9. 2
  10. 1
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