Question
A sum of Rs. 7930 is divided into 3 parts and given at loan at 5% simple interest to A, B and C for 2, 3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then the A received a loan of = ?
Answer: Option D
According to the question,
$${\text{A}} + \left( {\frac{{{\text{A}} \times {\text{5}} \times {\text{2}}}}{{{\text{100}}}}} \right) = $$ $${\text{B}} + \left( {\frac{{{\text{B}} \times {\text{5}} \times {\text{3}}}}{{{\text{100}}}}} \right) = $$ $${\text{C}} + \left( {\frac{{{\text{C}} \times {\text{5}} \times {\text{4}}}}{{{\text{100}}}}} \right)$$
110A = 115B = 120C
22A = 23B = 24X
Ratio of amount ( by using L.C.M. of 22, 23 and 24)
$$\eqalign{
& {\text{276 : 264 : 253}} \cr
& {\text{A's loan = }}\frac{{276}}{{793}} \times {\text{7930}} \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{ = Rs}}{\text{. 2760}} \cr} $$
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According to the question,
$${\text{A}} + \left( {\frac{{{\text{A}} \times {\text{5}} \times {\text{2}}}}{{{\text{100}}}}} \right) = $$ $${\text{B}} + \left( {\frac{{{\text{B}} \times {\text{5}} \times {\text{3}}}}{{{\text{100}}}}} \right) = $$ $${\text{C}} + \left( {\frac{{{\text{C}} \times {\text{5}} \times {\text{4}}}}{{{\text{100}}}}} \right)$$
110A = 115B = 120C
22A = 23B = 24X
Ratio of amount ( by using L.C.M. of 22, 23 and 24)
$$\eqalign{
& {\text{276 : 264 : 253}} \cr
& {\text{A's loan = }}\frac{{276}}{{793}} \times {\text{7930}} \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{ = Rs}}{\text{. 2760}} \cr} $$
Was this answer helpful ?
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