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

What's the result of this expression?

8 % 3

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

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