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  1. If the simple interest on Re. 1 for 1 month is 1 paisa, then the rate percent per annum will be
    1. 10%
    2. 8%
    3. 12%
    4. 6%
Correct Option: C

Given , Principle = ₹ 1 , Time = 1 month = ( 1 / 12 ) year and SI = 1 paisa = ₹ ( 1 / 100 )
As we know that ,

Rate =
SI × 100
Principal × Time

Rate =
(1 ÷ 100) × 100
= 12% p.a.
1 × (1 ÷ 12)



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