there is a heap of block Anil make separate heap of 28 block from them Shilpa make separate heap of 32 blocks from the same if Newton make separate heap of 42 blocks each of them find that 5 block left after making the separate hip what is the smallest possible number of block in the heap . what is the meaning of this question
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28p + 5 = 32q + 5 = 42r + 5 blocks Total
=> 28p = 32q = 42r = Total blocks - 5
Lets find out LCM of 28, 32 & 42
28= 2 × 2 × 7
32= 2 × 2 × 2 ×2×2
42 = 2 × 3 × 7
LCM=2×2×2×2×2×3×7=672
672=total Blocks - 5
=> Total Blocks = 677 smallest possible number of blocks in the heap = 677
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