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
242 seconds
240 seconds
246 seconds

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Find the smallest number which when increased by 5 is divisible by 9, 21, 25 and 30.?

1882
2378
3145
2567

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP