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Option 4 : 16 : 9
Let the sum lent at 8% be ‘x’ and the sum lent at 5% be ‘(2500 – x)’
⇒ /100 + /100 = 519
⇒ 24x/100 + 375 – 15x/100 = 519
⇒ 9x/100 = 144
⇒ x = 1600
⇒ Sum lent at 8% = Rs. 1600 and Sum lent at 5% = Rs. 900
∴ Ratio = 16 : 9
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