1) There are two bells in the school. The bell 1 is for the Grade 1 to 3 while the bell 2 is for the Grade 4 to 6. The bell 1 and 2 rung, once every 30 minutes and the other or bell B at every 50 minutes. If they are ring together at 7:00 A.M., at what time will they next ring together for their recess? There are two bells in the school. The bell 1 is for the Grade 1 to 3 while the bell 2 is for the Grade 4 to 6. The bell 1 and 2 rung, once every 30 minutes and the other or bell B at every 50 minutes. If they are ring together at 7:00 A.M., at what time will they next ring together for their recess?  a) b) c) d) e) f) 2) Ellaine has a rectangular gift wrapper that measure 30 cm by 25 cm. She wants to cut it into square sheets of same size to be used in her album. What is the possible measure of a square sheet side which will not have a leftover? a) b) c) d) e) f)

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