- A7560
- B1260
- C2520
- D630
Step-by-Step Solution
. Check with blocks: . (7560 is the product itself.)
Answer: B) 1260
The prime blocks of 84 and 90 are shown; the blocks they share are outlined in orange, so HCF(84, 90) = 6. Using HCF × LCM = product of the two numbers, find LCM(84, 90).
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