Question

find the smallest square no.which isdivisible by each of the no. 4,9and 10.​

Answer 1

Answer:

900

Step-by-step explanation:

See for a square to be divisible by 4,9,10 it should be a multiple of 4,9, 25, bcoz 10 is formed by a 2 and 5, two is present in 4, but 5 is not so we will have to make it 25

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Answer 2

Answer:

900

Step by step explaination :

LCM of 4,9 and 10 = 180

Prime factorization of 180 = 2 × 2 × 5 × 3 × 3

Number left unpaired = 5

180 should be multiplied by 5 to make it a perfect square ,

180 × 5 = 900

900 is the smallest square no. divisible by 4,9 and 10

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