1.

a sum of money at simple interest amnt rs 2240 in 2 yrs and to rs 2600 in 5 yrs what is the principal amount

Answer»

Principal + interest for 2 YEARS = 2240 ---------1

Principal + interest for 5 years = 2600 --------2


Subtracting 1 from 2 = 2600 - 2240 = 360

interest for three years = 360

so interest for 1 year = 360/3 = 120

interest for 2 years = 2 x 120 = 240


Principal for 2 years = 2240

Interest for 2 years = 240

Principal = 2240 - 240 = 2000



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