RRB Paramedical Staff Nurse Model Paper 1

Question : 57 of 100

Marks: +1, -0

The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 48. Then the sum is:

Solution:

{\CI}_{2}- {\SI}_{2}= {P}(\;{ {R}}/{100})^{2}

48= {P}(\;{20}/{100})^{2}

{P}=1200

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