Answer:
x=9
y= 15
Step-by-step explanation:
median = 525(given)
∴ median class = 500-600
lower limit = 500, height = 100, fi = 20, CF = 36+x , n/2=50
median = l + [(n/2−CF)/fi] × h
525 = 500 + [(50−36-x)/20] × 100
25 = (14 - x) × 5
5 = 14 - x
x=9
76+x+y = 100
76+9+y = 100
85+y = 100
y=15