Number System Practice Test 5

Question : 21 of 40

Marks: +1, -0

Find the smallest positive integer “n” when multiplied by “a” it becomes a perfect square and when multiplied by “b” becomes a perfect cube.

Solution:

Option “b” when multiplied by (a)

√{a^16×b^20}=a^8×b^10

When multiplied by (b)

√{a^15×b^21}=a^5×b^7

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