# Amazon Online Assessment (OA) - Pairs of Songs With Total Durations Divisible by 60

Given a list of numbers and a target number. Find the number of pairs of numbers from the list whose sum is diviside by 60.

#### Example 1:

#### Input: `[30,20,150,100,40]`

#### Output: `3`

#### Explanation:

(30, 150), (20, 100) and (20, 40) are pairs of numbers whose sum are divisible by 60.

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## Solution

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