`15-(17)-19-35-16 , 23-(40)-26-34-55 , 21-(?)-10-19-33`

-56-(-19)-21+23

Evaluate the following: (i) -8-24+31-26-28+7+19-18-8+33 (ii) -26-20+33-(-33)+21+24-(-25)-26-14-34

Evaluate the following: -8-24+31-26-28+7+19-18-8+33 -26-20+33-(-33)+21+24-(-25)-26-14-34

The least among the fractions (15)/(16) , (19)/(20) , (24)/(25) , (34)/(35) is

The mean of the following distribution is 18. The frequency f in the class interval 19-21 is missing {:("Class ",11-13,13-15,15-17,17-19,19-21,21-23,23-25),("Frequency "," "3," "6," "9," "13," "f," "5," "4):} Determine f .

Evaluate: (19-6)-[17-(34-28)-17]

|{:(13,16,19),(14,17,20),(15,18,21):}|

17. 19 : 37 : : 26 : ?

Find the median of Q(i) 10, 32, 17, 19, 21, 22, 9, 35 (ii) 55, 60, 35, 51, 29, 63, 72, 91, 85, 82