Risthita and Lohitha are twins. They play a game, in which they open a page of a text book printed in English. From the first letter of the page. Risthita strikeevery 18th letter. If they strike the same letter 17 times in the page, then find the minimum number of letters in the page seme letter 17 times in the page, then find the minimum number of letters in the page selected.

Risthita and Lohitha are twins. They play a game, in which they open a

1.	Risthita and Lohitha are twins. They play a game, in which they open a page of a text book printed in English. From the first letter of the page. Risthita strikeevery 18th letter. If they strike the same letter 17 times in the page, then find the minimum number of letters in the page seme letter 17 times in the page, then find the minimum number of letters in the page selected.
Answer» SOLUTION :LCM of 12,18: `:.` Both of them strike EVERY 36 letter of the page. `LCM=2xx3xx2xx3=36`. Since both of them strike 17 TIMES, the page should contain at least `36xx17=612` letters.