# 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) \$#\$#\$#

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

### IBTS INSTITUTE

India's Leading Institution for Competitive Exams in Chandigarh visit www.ibtsindia.com