Problems on H.C.F and L.C.M
A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

14 cms
None of these
42 cms
21 cms

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest,

9 : 31 am
12 : 31 am
10 : 31 am
11 : 31 am

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:

4
1
3
2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP