Question

4. Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12.
5. Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
6. The traffic lights at three different road crossings change after every 48 seconds, 72
seconds and 108 seconds respectively. If they change simultaneously at
7 a.m., at what time will they change simultaneously again?
7. Three tankers contain 403 litres, 434 litres and 465 litres of diesel respectively. Find
the maximum capacity of a container that can measure the diesel of the three containers
exact number of times.
8. Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each
case.
9. Find the smallest 4-digit number which is divisible by 18.24 and 32
10. Find the LCM of the following numbers:
(a) 9 and 4 (b) 12 and 5 (c) 6 and 5
5 (d) 15 and 4
Observe a common property in the obtained LCMs. Is LCM the product of two
numbers in each case?
11. Find the LCM of the following numbers in which one number is the factor of the
other
(a) 5.20 (b) 6.18 (c) 12.48 (d) 9.45
What do you observe in the results obtained?​

Answer 1

Answer:

exactly one face.) Also, the sum of each pair of opposite faces is the same.

3

?

Analyse and find out the number which can come on the face marked '?'

a) 4 or 5

b) 2 or 5

d) 2 or 6

d) 4 or 6