A sum of money at simple interest amounts to 815 in 3 years and to 854 in 4 years. The sum is:
a)650
b)690
c)698
d)700

• 698
  
  A sum of money at simple interest amounts to 815 in 3 years and to 854 in 4 years.
  
  Interest for 1 year = 854-815= Rs 39.
  Interest for 3 years = 39*3= 117
  
  sum = 815-117 = Rs. 698
• 13 years agoHelpfull: Yes(34) No(39)
• Difference b/w 4th and 3rd year i.e 39 and 39*3=117. Then subt. 815-117= 698
• 6 years agoHelpfull: Yes(1) No(0)