Problems on H.C.F and L.C.M
The wheels revolve round a common horizontal axis. They make 15, 20 and 48 revolutions in a minute respectively. Starting with a certain point on the circumference down wards. After what interval of t

3 min
2 min
1 min
None

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
A, B and C start running around a circular stadium and complete one round in 27 s, 9 s and 36 s, respectively. In how much time will they meet again at the starting point?

1 minute 48 seconds
2 minute 48 seconds
3 minute 48 seconds
4 minute 48 seconds

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

1
3
2
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP
MORE MCQ ON Problems on H.C.F and L.C.M