learngo/08-numbers-and-strings/01-numbers/questions/01-arithmetic-operators.md

Which group of operators below is arithmetic operators?

1. **, /, ^, !, ++, --
2. *, /, %, +, - CORRECT
3. &, |, +, -, /

Which value below you can use with a remainder operator?

1. 3.54
2. true
3. 57 CORRECT
4. "Try Me!"

4: Nice Try. But, that's not right. Sorry.

3: That's right. The remainder operator only works on integer values.

What's the result of this expression?

8 % 3

1. 4
2. 2 CORRECT
3. 0
4. 1

What's the result of this expression?

-(3 * -2)

1. -6
2. -1
3. 0
4. 6 CORRECT

What's the result of this expression?

var degree float64 = 10 / 4

1. 2.5
2. 2.49
3. 2 CORRECT
4. 0

3: That's right. An integer value cannot contain fractional parts.

What's the result of this expression?

var degree float64 = 3. / 2

1. 1.5 CORRECT
2. 1.49
3. 1
4. 0

1: That's right. 3. makes the whole expression a float value.

What's the type of the x variable?

x := 5 * 2.

1. int
2. float64 CORRECT
3. bool
4. string

1: Look closely to 2 there.

2: Why? Because, 2. there makes the expressions a float value. Cool.

3: Oh, come on! Life is not always true and false.

4: I can't see any double-quotes or back-quotes, can you?

What's the type of the x variable?

x := 5 * -(2)

1. int CORRECT
2. float64
3. bool
4. string

1: Why? Because, there only integer numbers.

2: I can't see any fractional parts there, can you?

3: Oh, come on! Life is not always true and false.

4: I can't see any double-quotes or back-quotes, can you?

Which kind of values can result in inaccurate calculations?

1. integers
2. floats CORRECT
3. bools
4. strings