In a library 20% of books are in English, 33.33% is in German and the remaining books are in French. Among the German books 75% are fiction books and the rest are non fiction.
Among the non fiction books,10% are biographies, 20% are autobiographies and the rest are books on society,arts and culture.
Among the autobiographies there are 20 books written by women which comprises 40% of autobiographical novels. How many books are there in the library in total.
a) 2000
b)3000
c)1500
d)4000

• x*33.3/100*25/100*20/100*40/100=20
  x=3000
• 5 years agoHelpfull: Yes(19) No(12)
• c basic calculation
• 5 years agoHelpfull: Yes(2) No(22)
• starting from end that is 20 books are written which is 40% of the total autobiographies.thus total number of autobiographies are (40/100)*x=20;then going as per sequence we can conclude
  (40/100)*( 20/100)*(25/100)*(20/100)*(33.33/100)=20. thus x = 3000
• 4 years agoHelpfull: Yes(2) No(0)
• B it is simple percentage question
• 4 years agoHelpfull: Yes(0) No(9)
• As we know that total 40% autobiographical books are there in which 20 are written by women
  soo 40% of 20% of 75% of 33.33% of x=20
  therefore x=3000
• 2 years agoHelpfull: Yes(0) No(0)