alleryAt simple interest a sum amounts to ₹7200 in 2 years and ₹8400 in 5 years. Find the principal.
A₹6000
B₹7000
C₹6800
D₹6400
Answer & Solution
Correct answer: D. ₹6400
Three years earn ₹1200, so yearly interest is ₹400 and the principal is ₹7200 − ₹800 = ₹6400.
Keep practising Profit, Loss, Discount and Interest
Browse all Profit, Loss, Discount and Interest questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Finance: follow the changesMoney: gain, price and interestTwo items sell for ₹360 each. One gives 50% profit and the other 10% loss. Overall result?₹8000 earns 10% in year one. ₹2800 is then withdrawn; the remainder earns 20% in year two.Split ₹18000 so that 6% simple interest for 2 years on one part equals 8% for 3 years on tA ₹10000 loan earns 12% simple interest yearly. ₹4000 principal is repaid after one year; An item is priced ₹2000. Apply reductions of 20% and 15% successively, then subtract a ₹10Fifteen items cost ₹40 each. Twelve sell at ₹55 each and three at ₹30 each. Profit percent