Anupama is arranging 15 chocolate pastries and 12 lemon pastries in the shop counter. How many different arrange it such that each row is equal and has one kind of pastry in it? ways can she
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No. of biscuit packets =12
No. of packets =15
Each box should contain same number of packets =x
Each box should contain same number of biscuit packets =y
x & y values can be found by saluting for Greatest common Disorder of
12 & 15
⇒ Use prime factorization method
⇒12=2×2×3
15=5×3
⇒ GCD 12 & 15=3
∴ No. of packets in each box =15/3=5
No. of biscuit packets in each box =12/3=4
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