Q. What does ~4 evaluate to?
✅ Correct Answer: (A)
-5
Explanation: ~x is equivalent to -(x+1).
Problem Solving and Python Programming MCQs | Page - 5
Dear candidates you will find MCQ questions of Problem Solving and Python Programming here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. What is the result of cmp(3, 1)?
✅ Correct Answer: (A)
1
Explanation: cmp(x, y) returns 1 if x > y, 0 if x == y and -1 if x < y.
Q. Which of the following is incorrect?
✅ Correct Answer: (D)
float(’12+34′)
Explanation: ‘+’ cannot be converted to a float.
Q. What is the result of round(0.5) – round(-0.5)?
✅ Correct Answer: (D)
value depends on python version
Explanation: the behavior of the round()
Q. What does 3 ^ 4 evaluate to?
✅ Correct Answer: (D)
7
Explanation: ^ is the binary xor operator.
Q. The value of the expressions 4/(3*(2-1)) and 4/3*(2-1) is the same.
✅ Correct Answer: (A)
true
Explanation: although the presence of parenthesis does affect the order of precedence, in the case shown above, it is not making a difference. the result of both of these expressions is 1.333333333. hence the statement is true.
Q. What will be the value of the following Python expression? 4 + 3 % 5
✅ Correct Answer: (B)
7
Explanation: the order of precedence is: %,+. Hence the expression above, on
simplification results in 4 + 3 = 7.
Hence the result is 7.
Q. Which of the following operators has its associativity from right to left?
✅ Correct Answer: (D)
**
Explanation: all of the operators shown above have associativity from left to right, except exponentiation operator (**) which has its associativity from right to left.
Q. What will be the value of x in the
following Python expression?
x = int(43.55+2/2)
✅ Correct Answer: (B)
44
Explanation: The expression shown above is
an example of explicit conversion. It is
evaluated as int(43.55+1) = int(44.55) = 44.
Hence the result of this expression is 44.
Q. What is the value of the following expression? 2+4.00, 2**4.0
✅ Correct Answer: (A)
(6.0, 16.0)
Explanation: the result of the expression shown above is (6.0, 16.0). this is because the result is automatically rounded off to one decimal place.
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