Problems on H.C.F and L.C.M
Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

120
40
200
80

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:

80
95
85
90

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What is the least number, which when divided by 5,6,8,10 and 12 leaves the remainder 2 in each case , but when divided by 13 leaves no remainder ?

762
962
664
864

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

420
540
770
630

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP