Question

the rate percent per annum is the interest on ₹100 for __ year​

Answer 1

Answer:

per

Step-by-step explanation:

the answer would be per , I hope it will help you

Answer 2

Answer:

1

Step-by-step explanation:

here used word 'per annum',

annum means year,

and per means  1,

'per' is can used instead 1 , but

here word used 'for' so most suitable is 1,

for per, sentence should be.

the rate percent per annum is the interest on ₹100 __ year​

so answer is 1