Question

A invested x amount for 2 years at 12 per annum on si and y amount for 3 years 16%per annum on si if he get rs 1920 and rs 2880 resp as interest find the sum of x and y

Answer 1

Step-by-step explanation:

SI= PRN

100

Let the amount invested by x is x

so,

= x ×12×2 = 1920

100

x= 8000

Let the amount invested by y is x

so,

=x ×16 ×3= 2880

100

=6000

amt. invested by X is 8000 and Y is 6000

so, sum of both is 14000