107 lines
1.7 KiB
Markdown
107 lines
1.7 KiB
Markdown
## Which group of operators below is arithmetic operators?
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1. **, /, ^, !, ++, --
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2. *, /, %, +, - *CORRECT*
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3. &, |, +, -, /
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## Which value below you can use with a remainder operator?
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1. 3.54
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2. true
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3. 57 *CORRECT*
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4. "Try Me!"
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> **4:** Nice Try. But, that's not right. Sorry.
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>
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> **3:** That's right. The remainder operator only works on integer values.
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>
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## What's the result of this expression?
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```go
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8 % 3
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```
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1. 4
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2. 2 *CORRECT*
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3. 0
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4. 1
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## What's the result of this expression?
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```go
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-(3 * -2)
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```
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1. -6
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2. -1
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3. 0
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4. 6 *CORRECT*
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## What's the result of this expression?
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```go
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var degree float64 = 10 / 4
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```
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1. 2.5
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2. 2.49
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3. 2 *CORRECT*
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4. 0
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> **3:** That's right. An integer value cannot contain fractional parts.
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>
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## What's the result of this expression?
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```go
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var degree float64 = 3. / 2
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```
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1. 1.5 *CORRECT*
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2. 1.49
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3. 1
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4. 0
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> **1:** That's right. `3.` makes the whole expression a float value.
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>
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## What's the type of the `x` variable?
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```go
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x := 5 * 2.
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```
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1. int
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2. float64 *CORRECT*
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3. bool
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4. string
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> **1:** Look closely to 2 there.
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>
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> **2:** Why? Because, `2.` there makes the expressions a float value. Cool.
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>
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> **3:** Oh, come on! Life is not always true and false.
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>
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> **4:** I can't see any double-quotes or back-quotes, can you?
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>
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## What's the type of the `x` variable?
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```go
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x := 5 * -(2)
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```
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1. int *CORRECT*
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2. float64
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3. bool
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4. string
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> **1:** Why? Because, there only integer numbers.
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>
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> **2:** I can't see any fractional parts there, can you?
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>
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> **3:** Oh, come on! Life is not always true and false.
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>
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> **4:** I can't see any double-quotes or back-quotes, can you?
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>
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## Which kind of values can result in inaccurate calculations?
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1. integers
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2. floats *CORRECT*
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3. bools
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4. strings
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