On simple interest, a certain sum becomes Rs. 59,200 in 6 years and R…

Question

On simple interest, a certain sum becomes Rs. 59,200 in 6 years and Rs. 72,000 in 10 years. If the rate of interest had been 2% more, then in how many years would the sum have become Rs. 76,000?

Accepted Answer

Option B. 9. Answer & Solution Answer: Option B Solution: $$ gathered P 6 years59,200 \ P 10 years72,000 \ gathered $$ & Difference 4 years & = ( 72,000 - 59,200 ) & = 12,800 & 1 year = 12,8004 = 3,200 & 6 years S .I . & = 3,200 × 6 = 19,200 & P = 59,200 - 19,200 = 40,000 & S .I . = P × r…