Problems on H.C.F and L.C.M
Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

243 seconds
240 seconds
242 seconds
246 seconds

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What is the least number of that is exactly divisible by 4, 12, 15, and 18?

180
110
60
150

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP