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?

246 seconds
242 seconds
243 seconds
240 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
150
60
110

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP