Find LCM of:
i. 3, 4 ii. 10, 11 iii. 5, 6, 7 iv. 10, 30 v. 4, 12, 24 vi. 3, 12
What do you observe ?

Find the LCM of 10, 11 what do you observe ?

Find the LCM of. 4, 12, 24,

Find the mode of 5, 6, 9, 6, 12, 3, 6, 11, 6, 7.

Find the LCM of the following numbers by prime factorisation method. i. 12 and 15 ii. 15 and 25 iii. 14 and 21 iv. 18 and 27 v. 48, 56 and 72 vi. 26, 14 and 91

The variance of 6, 7, 10, 12, 13, 4, 8, 12 is

Find the mode of the following data. 5, 6, 9, 10, 6, 12, 3, 6, 11, 10, 4, 6, 7.

Find the mode of the following data. 5 ,6, 9 ,10 , 6,12 ,3,6, 11,10 , 4 , 6 , .

Write true of false. i) 15 : 30 :: 30 : 40, ii) 22 : 11 :: 12 : 6, iii) 90 : 30 :: 36 : 12, iv) 30 : 64 :: 6 : 12, v) 25 : 1 :: 40 : 160.