The least number which when divided by 18, 24, 30 and 42 will leave in each case the same remainder 1, would be: (a)2520 (b) 2519 (c) 2521
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Step-by-step explanation:
Step 1: Subtract 1 from each numbers
*You get 17, 23, 29, 41 respectively*
Step 2: Take out the LCM of the new numbers
Final: YOU GET UR ANSWER
Do give it a try, it's not difficult
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