Mathematics

Q203

One neon sign blinks every 6 seconds and another every 8 seconds. After how many seconds will they blink together again?

Q204

You need 4/5 cups of water for a recipe. You accidentally put 1/3 cups into the mixing bowl. How much more water do you need?

Q205

If the 5th term of an arithmetic sequence is 18 and the 15th term is 58, what is the sum of the first 25 terms?

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