Std-10 Most Imp Ch 13 Gseb L-12

L-12 to L-13

14 observations are 10, 11, 11, 12, 13, 14, 12, 13, 10, 12, 12, 14, 14 and 15. What is the median of the given observations?

If the mode of the scores 10, 12, 13, 15, 15, 13, 12, 10, x is 15, then what is the value of x?

If R is a relation from set A={11 , 12 , 13} to set B={8, 10 , 12} defined by y=x-3, then write R^(-1)dot A. {(8,11),(10,13)} B. {(8,11),(10,12)} C. {(10,13),(10,11)} D. none of these ANSWER: A

The mean of the first 10 terms : 7xx8 , 10xx10 , 13xx12 , . . . ,

List two most common STDs.

If 13 L 4 A 7 = 41 and 14 A 3L 12 = 54 , then 12 L 3 A9 = ?

Find the median of 10, 12, 11, 13, 20, 22, 10, 8, 19. A) 11 B) 13 C) 11.5 D) 12