What is the output of the following programs
Note : Please find the answers manually
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1. Question 1
@a=[34,45,56,2,13,54]
@a.sort!
@a.reverse
puts @a[4] gives,
a) 13 b)54 c) 45 d) 56
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2. Question 2
@a=[34,45,56,2,13,54]
@a=@a.length.to_a.join
puts @a.class gives,
a) fixNum b)Array c) String d) ERROR ——————————————————–
3. Question 3
@a=[34,45,56,2,13,54]
@a=@a[5,4]
puts @a gives,
a) 13 b)54 c) 45 d) 56
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4. Question 4
@a=[34,45,56,2,13,54]
@a= @a.flatten
puts @a gives,
a) The reverse order b) NIL c) NULL d) Same Order
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5. Question 5
@a=[34,45,56,2,13,54]
@b= @a.min + @a.max + @a.first + @a.last
puts @b gives,
a) 92 b) 144 c) 146 d) 112
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6. Question 6
@a=[34,45,56,2,13,54]
@b= @a[2].value+@a[3].value
puts @b gives,
a) Argument Error b) 58 c) NomethodError d) 0
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7. Question 7
@a=[34,45,56,2,13,54]
@b= @a[2].display.to_i + @a[3].display.to_i
puts @b gives,
a) Error b) 58 c) 5620 d) 562
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8. Question 8
@a=[34,45,56,2,13,54]
@b= @a.rindex(13) + @a.values_at(4)[0]
puts @b gives,
a) Error b) 17 c) 47 d) 7
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9. Question 9
@a=[34,45,56,2,13,54]
@a.insert(6)
@a.insert(6,7)
@a << [137,89]
@b=@a.length
puts @b gives,
a) Error b) 10 c) 9 d) 8
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10. Question 10
@a=[34,45,56,2,13,54]
@b= @a.__id__.class
puts @b gives,
a) Error b) Array c) Nil class d) FixNum
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Raveendran 