Question

find the greatest 4-digit number exactly divisible by 8,12&20​

Answer 1

Answer:

HERE IS YOUR ANSWER｡◕‿◕｡

Step-by-step explanation:

First we will find the L.C.M. of (8,12,20)

8 = 2 × 2 × 2. = 2³

12 = 2 × 2 × 3 = 2²×3

20 = 2× 2 × 5 = 2²×5

L.C.M. = 2³× 3×5 = 120

NOW, GREATEST 4 DIGIT NO. IS 9999

THEN,

9999 ÷ 120 = 83

THE GREATEST FOUR DIGIT NUMBER EXACTLY DIVISIBLE BY 8, 12, 20 IS

9999-83 = 9916

THE ANSWER IS 9916

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