Find the lowest common multiple of 24, 36 and 40.

The L.C.M of 148 and 185 is:

The H.C.F of 9/10, 12/25,18/35 and 21/40 is:

1369 1521 1681 1849 ?

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:

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:

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

The H.C.F of 2/3, 8/9, 64/81 and 10/27 is:

The H.C.F. of 2923 and 3239 is :