# Arithmetic Aptitude :: H.C.F and L.C.M

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**Discussion**

## 7. Sudhir goes to the market once every 64 days and Sushil goes to the same market once every 72 days. They met each other one day. How many days later will they meet each other again?

**Answer:**

**Option B**

**Explanation :**

Find the LCM of 64,72

i.e 2*2*2*8*9=576

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