Question

There are 2 lights, one red and the other green. The red one flashes 3 times every minute and the
green one flashes 5 times every two minutes. If the lights start flashing together, then the total
number of times both will have flashed together in an hour is (CAT 2001)
1.30
2. 24
3. 48
4. None of these
Let A denote the set of positive integers, each of which when divided by 2.3.4.5 and 6 leave
emainder of 1.2, 3, 4 & 5 respectively. How many numbers in A are between 0 & 100?​

Answer 1

Step-by-step explanation:

Every min so 47.142857143