Question

What is `18xx15-:3+9`?

Answer 1

`color(purple)(=>99)`

Explanation:

![https://byjus.com/free-gmat-prep/gmat-maths-pemdas-pedmas-bodmas-rules/]()

`(18 * 15) / 3 + 9`

Applying BODMAS or PEMDAS rule for ordered operation,

`=> 270 / 3 + 9, " Multiplication "`

`=> 90 + 9 , " division "`

`=> 99, " Addition"`

Answer 2

`18*15-:3 + 9=color(blue)(99`

Explanation:

Follow the order of operations as indicated by the acronym PEMDAS:

Parentheses/brackets

Exponents/powers

Multiplication and Division in order from left to right.

Addition and Subtraction in order from left to right.

Simplify:

`18*15-:3 + 9`

First multiply `18*15` to get `270`.

`270-:3 + 9`

Divide `270` by `3` to get `90`.

`90+9`

Add `90` and `9`.

`99`