What will be the least number which when doubled becomes exactly divisible by 9, 15, 21, and 30?Options :A] 196B] 189C] 630D] 315
Question
Solution 1
To find the least number which when doubled will be exactly divisible by 9, 15, 21, and 30, we first need to find the least common multiple (LCM) of these numbers.
Step 1: Prime factorization of the numbers 9 = 3^2 15 = 35 21 = 37 30 = 235
Step 2: Find the LCM The LCM is the product of the hi Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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