RRB Paramedical Staff Nurse Model Paper 6

Question : 57 of 100

Marks: +1, -0

A man deposited same amount in two schemes for two years. Scheme A offered simple interest while scheme B offered compound interest at 5% additional rate. If the rate of simple interest is 20%, then find the ratio of simple interest to compound interest which man got from both schemes?

32 : 43
36 : 47
32 : 45
32 : 49

Validate

Solution:

Let amount invested by man

=

Rs.

100 {x}

Simple interest of two years

=100 x × \;{20 × 2}/{100}

Rs.

40 x

Rate of compound interest for two years

=20+5=25 \%

Compound interest of two years

=100 x[(1+\;{25}/{100})^{2}-1]

=100x×9/16

=Rs. 56.25x

Required ratio

={40x}/{56.25x}=32:45

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