The difference between interest in 3 years. at 7% and 5% per annum of a sum of money is rs 30.find the sum
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The difference between interest in 3 years. at 7% and 5% per annum of a sum of money is rs 30.find the sum
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Answer:
Let the sum is Rs.x .
so,
→ Interest for 7% at 3 years - interest for 5% at 3 years = Rs.30
→ (x * 7 * 3)/100 - (x * 5 * 3)/100 = 30
→ (21x - 15x)/100 = 30
→ 6x = 30 * 100
→ x = 5 * 100
→ x = Rs.500 (Ans.)
Step-by-step explanation:
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