Std-10 Most Imp Ch 15 Gseb L-19

Find the mean and median of the data is 10 , 15 , 17 , 19 , 20 and 21 .

A telephone bill costs Rs. 15 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds? (Rounded to one decimal). A. 10.8 B. 10.7 C. 10.6 D. 10.9

If the mode of the data: 16 ,\ 15 ,\ 17 ,\ 16 ,\ 15 ,\ x ,\ 19 ,\ 17 ,\ 14 is 15 , then x= (a) 15 (b) 16 (c) 17 (d) 19

The solution of the equation x + 15 = 19 is _________.