Answer :

**Given :** Two brands of chocolates are available in packs of 24 and 15 respectively. **To find :** the least number of boxes of each kind.**Solution:**

Prime factors of 24 = 2 × 2 × 2 × 3

Prime factors of 15 = 3 × 5

Therefore LCM of 24 and 15 is: 2 × 2 × 2 × 3 × 5 = 120

Number of boxes for first chocolate kind = = 5

Number of boxes for second chocolate kind = = 8

Hence 5 boxes of first kind and 8 boxes of second kind needed to buy.

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