Question

NUMBER OF CANDIDATES INTERVIEWED BY PANEL A OUT OF THE THREE PANELS A,B,C IS : 1) THE THREE PANELS ON AN AVERAGE INTERVIEW 20 CANDIDATES EVERYDAY 2)NUMBER OF CANDIDATES INTERVIEWED BY A IS 2 MORE THAN THE NUMBER OF CANDIDATES INTERVIEWED BY B AND 1 MORE THAN THAT BY C

Answer 1

if avg is 20 then sum of all candidates interviewed by them = 20 *3= 60
a=2+b
b=a-2
a=1+c
c=a-1
..... a+b+c=60
a+(a-2)+(a-1)=60
3a=63
a=21