: Mr. Das has 3 sons whose ages are respectively a, b, c. The grandfather has bought a cycle for the eldest son, mother has bought a bag for the youngest one which cost Rs. 150/. The sum of two age of the elder son and one son is 15. The difference of the age of sons is 3 & 2. Then what of the age of the elder son?
a) 10, b) 11, c) 12, d) 13

• 10 yrs
  
  If age of eldest son is x, then ages of other sons are x-3 and x-5.
  then
  x+x-5=15
  2x=20 x=10 yrs
• 13 years agoHelpfull: Yes(9) No(3)