Question

(a) 48, 72. 108 (b) 72. 240. 198
(e) 39, 91, 108, 26 (f) 16, 28, 36, 54, 60
Find the least number which when divided by 12, 16, 24, 36 leaves the remainder 5 in each case
Q3.
Q4.
Find the lowest number which when divided by 18, 24, 54, 60 leaves the remainder 8 in each
case.
Q5. Find the least number divisible by 108, 288, 360, 420.
Q6. Find the number nearest to 1000 which is exactly divisible by 2, 4, 6, 8, 10.
Q7. Suraj takes a tea break from work every 45 minutes while Mehul takes break every 20 minutes
for tea. They finished their break at 11:00 am. After how long will they meet together again for
their break?
Q8. Two light houses flash their lights every 30 seconds and 48 seconds. They flashed together at
8:00 pm. When will they next flash together?
09. In a morning walk three people step together. Their steps measure 25 cm, 35 cm and 55 cm
respectively. What is the minimum distance each should walk so that all can cover the same
distance in complete steps?
Q10. Three motor cyclists are driving in a circular path. The first cyclist completes a round in
30 minutes, the second cyclist in 45 minutes and the third cyclist completes a round in 50
minutes. If they all started at the same place and time and go in the same direction, after how
many minutes will they meet again at the starting point?
Properties of HCF and LCM
un
fpumbers is smaller than or equal to the smallest number​

Answer 1

Answer:

c

Step-by-step explanation:

Answer 2

Find the lowest number which when divided by 18, 24, 54, 60 leaves the remainder 8 in each

case.

Answer:

Q4. 144