Question

A principal amount of Rs._ was put in a scheme at 20% simple interest per annum for 4 years. After that, 2/3rd of the matured amount was again invested at 10% compound interest for 2 years and the interest obtained was Rs._. Which of the following are correct?
I. Rs.20000 and Rs.5040
II. Rs.30000 and Rs.7560
III. Rs.50000 and Rs.12500
IV. Rs.75000 and Rs.18900

Q: Answer-A principal amount of Rs._____ was put in a scheme at 20% simple interest per annum for 4 years. Aft...

ATQ, Amount after 4 years at SI 95 P 23rd of this amount 65 P Interest after 2 years at CI 65 P 21100 63P250 Now checking the options I. Rs.20000 Interest 63250 20000 5040 II. Rs.30000 Interest 63250 30000 7560 III. Rs.50000 Interest 63250 50000 12600, not 12500 IV. Rs.75000 Interest 63250 75000 18900 Hence, Only I, II and IV are correct.