Question

Find the least number, which when divided by 168, 140 and 112 leaves remainder 4 in each case.
0. Three bells ring at intervals of 16, 24, 30 minutes. After how much time will they ring together again, they
start ringing simultaneously?
1. Which greatest 4-digit number is exactly divisible by 25 ?
2. Find the largest 5-digit number exactly divisible by 36, 24, 18,15 and 9.​

Answer 1

Answer:

this question is really tuff sorry I don't know

Answer 2

find the least number which when divided by 168,140 and 112 leaves remainder 4 in each case