Question

Babu Bhai Borrows Rs.4000 and agrees to repay With a total interest of Rs.500 in 10 instalments, each instalment being less than the preceding instalment by Rs.10 what should be the first and the last instalment

Answer 1

Step-by-step explanation:

Total amount she needs to pay is 4000+500= Rs.4500

Now as she needs to pay it in 10 times and each interest is Rs.10 less than preceding one,

Let her pay Rs.x first then the next amounts would x-10, x-20, x-30, x-40, x-50, x-60, x-70, x-80, x-90 respectively.

Therefore x+ x-10+ x-20+ x-30+ x-40+ x-50+ x-60+ x-70+ x-80+ x+90=4500

Therefore, 10x -450=4500

10x= 4500+450

10x=4950

x=Rs.495

Therefore x-90=

Fst instalment is Rs.495 and las