The H.C.F of 24 x 32 x 53 x 7, 23 x 33 x 52 x 72 and 3 x 5 x 7 x 11 is:
A. 105
B. 1155
C. 2310
D. 27720
The H.C.F. of 22 x 33 x 55 , 23 x 32 x 52 x 7 and 24 x 34 x 5 x 72 x 11 is:
A. 22 x 33 x 5
B. 22 x 33 x 5 x 7 x 11
C. 22 x 33 x 55
D. 22 x 33 x 55 x 7 x 11
The H.C.F and L.C. M. of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is:
A. 12
B. 48
C. 84
D. 108
H.C.F of 4 x 27 x 3125, 8 x 9 x 25 x 7 & 16 x 81 x 5 x 11 x 49 is:
A. 180
B. 360
C. 540
D. 1260
The L.C.M of 23 x 32 x 5 x 11, 24 x 34 x 52 x 7 and 25 x 33 x 53 x 72 x 11 is
A. 23 x 32 x 5
B. 25 x 34 x 53
C. 23 x 32 x 5 x7 x 11
D. 25 x 34 x 53 x 72 x 11