Question

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7. LCM of 12,15 and 21 is ()
10
O 420
O 440
O 820
O 110
8. Roster form of set of natural
numbers less than 6 is ( )
O (4,5,6)
O (1,2,3)
O (2,3,4)
O (1,2,3,4,5)
9. A (1,2,3) B (3,4,5) then A
intersection B is ( )
O 3
O (1,2)
O (4,5)
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O (3)​

Answer 1

Answer:

7 th one answer is Option A

Answer 2

Answer:

Lcm of 12,0 15 and 21 is = 420

Step-by-step explanation:

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