7 Find the smallest number which when divided by 18, 12, and 24 leaves a
remainder of 16, 10, and 22, respectively.
tower of the city
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Z- Find the smallest number which when divided by 18, 12, and 24 leaves a
remainder of 16, 10, and 22, respectively.
8 The school bell rings every 40 minutes and the clock tower of the city
centre rings every 60 minutes. At 8 a.m. on a day both the bells sounded
together. At what time will both of them make their sounds next?
9 A toy train completes one round of a circular track in 120 seconds.
Another one completes a round in 180 seconds. Both the trains
start together from a station and run in opposite directions. After
many minutes will both the trains meet for the first time at the
station from where they started?
10 Lali wants to buy equal number of oranges and apples. The oranges
are packed in packets of 6 and the apples are packed in packets of 10.
What is the least number of apples she can buy? How many packets of each fruit should she buy?
11 Arun, Shaji, and Mohit cycle every day along the circular ring road. They take 8, 12, and 16 minutes,
respectively, to take a complete round. If all of them start together at the same time from the same
place, after how much time will all three of them meet at the same place again?
12 Find a number between 800 and 900 which is divisible by 22, 33, and 66.